I actually think woodscomp has a good point about the chipset (excepting the NF2, which seems to be very good).
However, the A64 chipsets do not seem to be working as well as they should (maybe an updated BIOS will fix things, but who knows a this point). If you look @ VIA, they have the K8T800 which is pretty stable, but no PCI/AGP lock or GbE (on board). Then you have the K8T800 Pro which adds the PCI/AGP lock but it doesn't work. It sounds like they now have the PCI/AGP lock working, but I'm not confident in that at this point.
In the NV side you have the MF3 150, which has a reduced HT clock, but still pretty good performance. No PCI/AGP or GbE. Then you have the NF3 250, which I feel is a great chipset, but seems to have compatibility issues with mobil chips and RAM (although maybe that is just the MB MFG's). Plus, NV eliminated what IMO was one of their best features, Soundstorm. The RAID sometimes seems to work, but other times doesn't (from reviews that tested the RAID performance if Intel, NV, Promise, etc).
EDIT: Well, I guess it works but the performance is sometimes not very impressive (but I guess that's usually the case in most desktop applications anyway - RAID not adding much performance - so maybe that really isn't much of a negative for NV).
Meanwhile, it seems like Intel has a history of very stable chipsets. While there are exceptions to both cases, my impression is that Intel has an advantage in the chipset area. Hopefully the NF4 will give AMD a chipset for the A64 that is as robust as the NF2 was for the AXP.
I will say though, that dual channel ram doesn't make much of a difference for the A64. Still, it's nice to know that it is there on the 939 stuff.
-D'oh!