Well, I received my 2 LCDs before any of my other upgrade gear arrivedd, so I had a chance to test out spanning on both ATI (X800XT 256M) and nVidia (6800 go 256M) cards in my existing desktop and notebook respectively. I eventually found a driver for the ATI card that supported spanned mode, but for the life of me I could not get it run at the 3360x1050 needed to support native res of the two LCDs. Interestingly, it would support 2 x 1680x1050 native in dual view mode, but not spanned together. Aslo, it would span higher and lower resolutions, but not the one I wanted. Power strip did not even help out herewith trying to set a custom resolution mode. Obviously with LCD panels, this is unacceptable so I put the ATI card aside for a while.Cranked up the 6800 on my notebook and was easily able to set spanned mode at the required res. Wored fine for both FS9 and FSX beta 3. Also, it is very easy to switch between spanned and dual monitor modes by using the desktop menu to quickly get to the nVidia control panel setting.As such, I went out and bought me a 7900 GTO 512M for my new rig and am very happy with its capabilities in the spanning department. I have a sneaking suspicion that even the latests and greatest ATI card would have given me grief trying to span at my required native resolution, so if anyone wants to go the ATI route I suggest you try before you buy if at all possible.Gary

"nterestingly, it would support 2 x 1680x1050 native in dual view mode, but not spanned together."Gary.Mike (TDragger) had a post here about how to sync two dual views in VC. This is possible in FSX. I forgot how to do it.There is way to do it nicely. Let me see if I can search for his post.Manny

I can get FSX to work properly in spanned mode, as long as the windows desktop is spanned correctly first. FSX or FS9 will only offer you up to your max desktop resolution anyway.Gary

Well, I checked Nvidias site and acc. to the 8800 specs the max resolution of the card is 2560x1600=4.096.000 pixels. I

That res limitation is per display adaptor and when you span them together they should add together in one plane. eg. 2560x1600 max should allow you to go up to 5120x1600 spanned.Case in point is that my 7900 GTO 512M has that same 2560x1600 max resolution, yet I can run mine spanned at 3360x1050.Gary

Thank you for that bit of information Gary, I had no idea it worked like that.This pretty much makes the deal for me, 2x24" will be the way to go. This makes more sense anyway considering I already have a 24". I look forward to see how this works, I

Well, spanned view really rocks my FS universe. I spent 4 hours flying around today in various VCs, mostly the PMDG 747-400 and it was quite stunning. I had with me a family friend who flew in the US Navy ages ago and it just blew his mind to see this stuff. I had the 744 filling 44 inches of screen and enlarged it hugely so you could see the rivets! At FSAA of 8x, it looked incredibly clear and well defined.We did takeoffs, autolands, turbulent approaches, and the cockpit gauges were extremely good and very lifelike. We flew at night and had amazing overhead panel lighting effects. My only reservation, and it's not huge, is that the res in spanned mode is 3200x1200x32 which means that so far the display is slightly disproportionate on the 24" LCD but is 100% OK on the smaller 20.1" inch because of the native res of 1600x1200 on that one. I'd like to know ahead of getting another 24" monitor that the res will actually scale proportionaely.That said, it is fantastic with just two monitors and while I am still being encouraged by sim mates to think of 3 monitors for Triplehead, I am even less sure about going that route now because I prefer the idea of just one set of bezels rather than two. By judicious positioning of the secondary monitor, and angling both screens slightly differently, I can almost totally hide the bezel of it behind the larger monitor and still get the cockpit displays to line up more or less perfectly. It's just superb.And very exciting.....which is what simming should be all about !JS