Syncing issue - formerly used iMessage Beta on Mac

Question

Hello,
I have a MBP, a iPhone 4 and previously had the iMessage Beta app on my Mac prior to the upgrade to Mountain Lion... Nothing syncs.  I'm very disappointed with Apple on this; for me, the main downfall of Macs is that when things don't work it's nigh on imposible to resolve it by tinkering on your own and always have to resort to forums, the store.
Anyway, I was hoping someone could help:
Messages on my iPhone won't sync with my Mac however I've seen a message sent from my Mac has appeared on my phone... I'm using my Apple ID as the account in Messages settings on my phone, no other email accounts are linked to it.  My number is set as my caller ID in messages settings and I would like to keep it like that to avoid my friends and work colleagues suddenly receving messages from an email account as opposed to my phone number.
On my Mac, I only have an iMessage account using my Apple ID (guessing configured from before the upgrade?).  iMessage Beta from before my upgrade never worked for me. The same Apple ID is used on my phone, and for iCloud.
Weirdly, Reminders has synced fine, but Notes hasn't synced.
If anyone can help, it'd be hugely appreciated - the Cloud syncing was the only reason I paid for the upgrade, and at the moment it's about as useful as a chocolate fireguard!
Cheers,
Mark.

Answer 1

Okay - quick update:
Changing my Caller ID to my email makes it work for Messages and Notes... This is no good IMHO and is a very poor user experience as a conversation switching from my phone to my mac via Messages will be seen as two threads from the perspective of the recipient.
Both Messages and Notes do not sync old content, only new... Again, a very poor user experience as the same content is already backed up onto the Cloud.
For me, I'll be going back to using trusty old Skype, Google Calendars, Dropbox etc.  I don't know how this update has been heralded as something awesome: We already had most this cloud type functionality with 3rd parties who offer cleaner, more simplistic, open-for-all services.
I know it's tabboo to say, but I've had this mac for a year now, am a technical person by trade, but think that once the allure of how cool Macs are wears off, they're actually quite ****... Unless someone can prove me wrong and show me how to fix these two issues?!
Cheers,
Mark.