Originally Posted by $n][pErMan
Well, you could always end up "Waiting" for something new from what I recall. Unless it's going to be a huge leap forward, I have found it not always worth the wait.
On the CPU side of things, it won't be a huge leap (10-15%); however, for the GPU the jump will be as big as they get (architectural jump for both NV and ATI, the next won't be until 2014). YMMV.