I have the Abit NV7-133R nForce 415-D board and am very happy with it.
The Abit easily comes with the most features of any nForce board (USB 2, Highpoint 133 Raid, Optical Audio in and out, etc.).
My system is packed - Athlon 2000+, two 512 sticks of OCZ RAM, one 120G WD HD (with 8meg...