I don't think you really need to wait on the new version. Well, if you have a strong "buy Britannia" feeling, you should wait, because a portion of production is shifting from Communist China to the UK. On the other hand, if you are anti-Welsh, you should buy now, because the UK ones are going to be assembled in Wales. Other than that, it is mostly refinements, the most important being that you can run a 2.0 with a powered-USB hub. The Raspberry Pi site has a list of all the updates:
Answer
I don't think you really need to wait on the new version. Well, if you have a strong "buy Britannia" feeling, you should wait, because a portion of production is shifting from Communist China to the UK. On the other hand, if you are anti-Welsh, you should buy now, because the UK ones are going to be assembled in Wales. Other than that, it is mostly refinements, the most important being that you can run a 2.0 with a powered-USB hub. The Raspberry Pi site has a list of all the updates:
http://www.raspberrypi.org/archives/1929