For a couple years now, I've multiboxed with 2x 24" LCDs. One for the main, and the other for the 4 alts. Last week I purchased a Sapphire 5870 Vapor-X videocard to try out Eyefinity with 3x 24" LCDs.

The result is badass.

I have an old Dell 2405 on a DVI, a newer Dell 2408 on a DVI, and another 2408 on the DisplayPort. The 2405 doesn't have DisplayPort, so DVI is the only option. The 2408 does have DisplayPort, so I didn't need an active DisplayPort-DVI adapter (around $100!)

Setup was easy:
- Remove old nVidia 8800GTX drivers.
- Power down and remove 8800GTX.
- Install 5870.. don't forget to plug in the 2x 6-pin power cables! Plug in one DVI cable for now.
- Power on and download Catalyst drivers (version 9.11 for me right now).
- Install drivers & reboot.
- Once Windows loads, plug in 2nd DVI cable and DisplayPort cable. (Found out that the DisplayPort didn't want to work at first - needed to unplug and reconnect while Windows was already up.)
- In Catalyst Control Center, configure monitor positions. Keep the display cloned on all 3 until everything is positioned correctly.
- Now expand the desktop onto the other 2 monitors.
- Enjoy 5760x1200 gaming. (I did have to adjust my WoW Maximizer device & resolution margin settings.. the OS just sees this desktop as one device, instead of the two separate devices on the 8800GTX.)

WoW soloing was immersive across 3 screens. In fact, it may be too wide as I have to turn my head to see the far left or far right of the side displays. This is definitely where a custom UI comes into play to bring things like the map and party health back on to the center display. I keep the same setup as before with multiboxing (1 on main, 4 on right screen), but now I can also have a browser/vent/whatever visible on the left display. I tried having 2x on left screen, main on center, and 2x on right screen, but everything is too far apart for my taste to really focus on the action when I'm switching between alts. Perhaps I'm just not used to it yet..

Call of Duty: Modern Warfare 2 has locked aspect ratios, so you don't want to stretch that across 5760x1200. I just play in cloned mode - all 3 screens show the same thing.

The next step is to get an EK 5870 waterblock and add the videocard to the cooling system for some overclocking.

Even with a Core i7 965 oc'd to 4.0GHz, 12GB ram, RAID0 Velociraptors as OS drive, Intel X25-M G2 hosting WoW, and now the 5870.. Dalaran still has some lag to it when 5-boxing. Again, I believe this is due more to hard drive access than graphics performance..