I am finally getting back into the swing and considering building a new computer for soft synth recording. I currently have 3.0 w/ hyperthreading, 2gig ram dual channel, two SATA 120 gig hard drives, nvidia 6800gt and Creative X-fi.

I use Sonar 4.0, garrtian, etc.

First, do I need a new computer? I am looking at the new 64 bit, dual processor setups and wondering if I should invest now or wait another year? My current setup runs pretty good.

If I do get a new computer, should I go with the Apple G5 or should I stick with Intel motherboard? I don't want to invest more than $3000 on a new rig.