It's no secret that when using Tunebite with 4x digital dubbing, tracks can get screwed up. What I'm curious to know is if I get a recommended/higher end sound card with good drivers, etc., will it help to solve that problem?

Im running at 3x digital dubbing with no issues, but I can't run at 4x. I'm using the on-board sound from my motherboard which is a MSI k2 delta platinum motherboard with the nvidia nforce2 chipset... I think that's what it is. Honestly since I have installed it in my system, it has run so well I haven't even looked at my instruction manual or bothered to remember the name of it. In case it makes a difference, my processor is the AMD athlon xp 2500+ socket A processor and I've got 1.5gb of DDR 333mhz (PC-2700) SDRAM.

I'm planning on building a new system soon, with either a core 2 duo or core 2 quad.. or maybe the AMD barcelona opteron replacement processor if its comes out in time, and I'm considering an M-audio sound card. Will the improved processor (like a quad core) and the higher-end sound card solve the jitter problem with 4x digital dubbing?

Thanks in advance!