"New Event" constantly showing up

Question

So a bit of background.
After my wife upgraded her macbook to Lion we have had a whole slew of issues. Apple has been awesome in fixing them for us or getting us the "next best" solution to a problem.
However, there is one that has been persistent since she upgraded to Lion and this issue seems to be something that was apparently "supposed" to have been fixed in the 10.7.3 update. I am talking about "new event" showing up in iCal.
Now my wife uses her Macbook Pro for her business and schedules clients months in advance only to have this issue rear its ugly head a few times a month (this month seems to have been the worst for some reason). I believe I have the issue narrowed down but I wanted to see what you guys thought.
Here is her normal scenario:
- My wife works in a salon with wireless internet (patrons use it and there are a few other stylists that do like she does)
- She schedules all of her clients with notes on what will be done months in advance (normal clients come in every 4-6wks and will schedule 3 and 4 appointments out)
- While she is not using the Macbook it sits on a shelf at her station, in sleep mode, which she will then promptly wake it up and start looking fo a new date for the next appointment (I would get this takes about a minute with back and forth with the customer)
- She schedules the customer one, if not two or three, appointments out and then proceed to go ring the customer up at the main desk
- Many times the laptop just sits there and stays on while she does this and then moves on to her next waiting client (believe me, two degrees in business management and IT and my wife still makes more money than I do, DO NOT make fun of these people that are passionate about their work )
- Just about every night she connects her laptop to her WD Passport (for Mac) to do the incremental backup
This is her normal scenario however as she reviews her upcoming day that evening (gives me a better idea of when she will be home so I can clean house, play with dogs, work on my Cruiser, play video games, etc) she will see the fabled "New Event" sitting in her days work.
Now this "New Event" is default set for 1hr of time and does not have any notes (my wife emails confirmations to her clients so the email feature from the calendar is sent out) and she has no idea whether she has someone coming in for a full weave (a 2 to 3hr job) or just a trim (30 minutes). We have tried to replicate this issue at home on our wireless network (Airport Extreme) and we get nothing.
What I am thinking is that the internet, at least once a week, goes down at her salon and what is happening is when she is connecting to the network after a wake-up that the system is then attempting to connect to the internet and the iCal servers (she uses iCloud to back up all this information and see across the internet and our iPhones). When this happens there may be a "hiccup" in the connect and so when she types the information it has yet to syc with iCloud (her computer is set to primary house for main copy). When this happens and the system finally DOES connect it is some time later and it is then trying to sync everything and these "new items" that she has just entered become "new events."
Am I logical in my thinking of this?
Our main concern is that she does not know what these "new events" are so she cannot plan her next client accordingly, let alone send them their week-of confirmation email.
- Do you guys think that not putting her computer to sleep (buying a secondary wall adapter for the salon) so that it is always connected to the internet a remedy?
- Could this be an issue with the salon's internet having "hiccups" and should we look at investing in our own personal hotspot?
- Is there a chance that we could possibly set the "iCloud" sync to only happen at a predetermined time (i.e. 11pm at night when we know she will be home and connected to our home network)?
Not quite sure how to proceed here.

Answer 1

Still have not been able to find a resolution to this issue. My wife is down to one remaining "new event" item in her calendar so we are hoping that the last fix that came through had taken care of whatever the issue was.
However, she did say the other day while scheduling a client she did notice that they system began to sync with iClound while she was entering information and the event suddenly changed to the dreaded "new event". She caught it this time so she was able to adjust the information but I believe this may be solidification to the fact that if you are entering something WHILE your system is attempting to sync with iCloud that it will be overwritten and come up as a new event. I have yet to fully test this but it seems to be a very situational type of issue.
She has not taken to heart that this may just be something she will have to live with and will need to be more aware of what is going on. Unfortunately, I have not had a chance to see if there is a way to "schedule" when you want iCloud to sync with your devices so that it is more of a "manual push" vs. an automated one.