I have the A8N-SLI deluxe.
I had the 1014, and IIRC, the Vcore settings on the 1014 BIOS didn't work.
But the 1017 (which I'm currently running) seems good - Vcore control is fine, and my X2 is supported.
If you want your system to be able to use all 4GB of your RAM, you'll need a 64-bit OS...