Ugh, that didn't work either. I won't be back on for a few hours, because I'm getting my wisdom teeth removed, so I won't be on for you to attempt to help me until about 4:00 maybe even 5:00. It's about 2:00 here.
1st - Motherboard
2nd -Socket AM2/AM2+/AM3 Series
3rd - M2N-MX SE PLUS
From there download and install the chipset drivers. Do those not contain the network drivers? They have one specifically for Win7 32 bit as well so you shouldnt have to use the vista Drivers. From searching nVidia's site and finding these drivers here, they are the same ones listed on the Asus site in their Chipset section for Win7 32 Bit.