I wouldn't upgrade yet. In the fall a dual core athlon is coming out which should be worth the wait. Also 2 gigs of ram is much better than 1 gig. I upgraded my ram and felt a noticable increase. The dual core athlon with 2 gigs of ram and 256 ram video card should be very powerful. Plus, a 64 bit operating system and when vue can work with 64 bit operating systems will also be better. The new operarting system can also handle more than 4 gigs of ram. However, this is only my 2 cents and all these upgrades need to come together.