Sticking with what you know is always easiest but you’re in a spot right now where you might consider waiting for the Intel Macs. That could take a year but the thing is that you’ll be in an upgrade dead end if you stick with the lowly dual G5.
The Intel system you have now will work for Vegas for a while yet. If you wanted to upgrade then the main thing to throw at it is CPU power. Dual core Athlon64s are the prefered CPU for Vegas these days. Dual Opterons with dual cores are the ideal solution.
There’s really nothing else you need yet. There’s no special hardware for Vegas, no special graphics cards either. Fast CPU, Gig of ram or better, and storage space. The 10,000 RPM Raptor drives are supposed to be pretty good and give 2-disk arrays a run for their money.
I say “yet” because we all kind of hope that another rev of Vegas will be released at NAB. While I don’t really expect any special hardware support for V7 I’m also not privy to any information. Who knows? Maybe there’s good reason to hold onto your upgrade money until then.
Or then again maybe there’s good reason to hold onto your cash until the Intel rev of FCP.
Rob Mack