I'm having this problem too, but i'm using a native displayport monitor. I set up 2 profiles, one for eyefinity gaming, and one for standard. When I start up my computer, it goes into standard mode just fine, with my main panel in the middle, and the 2 on the sides. When I activiate eyefinity...
Also, it looks like Dell has added the P2310h's back to their store. I couldn't find it for the longest time, so I ordered them off the outlet, but now they are back for $269.
http://accessories.us.dell.com/sna/products/Displays/productdetail.aspx?c=us&l=en&s=biz&cs=555&sku=P2310H3
I've been reading a lot about the eyefinity setups here, and I just ordered 3 P2310H's from the dell outlet this morning. It says the Displayport Cable is option, so I called Dell, and after being transferred back and forth for about half an hour, someone told me that they will be included. I'm...