Is 4GB of RAM enough for MacBook Air 11

I am contemplating whether to stick with the 4GB that ships with the new MacBook Air 11, but I am not sure if it is enough?
I am planning on using it for mainly coding apps (xcode, arduino ide, java, etc.), play video files, and general web and email.  Possibly some Adobe apps like photoshop, indesign and dreamweaver.
I may be interested in either a bootcamp partition or parallels in order to to run windows, but if this is a problem I can avoid as I have Windows running on other machines.
Its just the RAM is going to cost me at least £60ish (student discount) which will highten the cost of things.  However, if its going to cause problems further down the line I may have to dig deeper and get it ordered with 8GB.
Thanks

PATRICKMELE wrote:
Before spending money try this free app from the mac app store,
http://www.tweaknow.com/    Works     http://www.tweaknow.com/freerambooster.php
More sensibly, don't.
Add real Ram at the time of purchase, not fake stuff later.

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