So you feel that, in order to run skyrim on a PC, you will need twice the total amount of RAM on either console on your graphics card alone? Your card will need to support DX11, a technology it seems unlikely will be used in skyrim at all? You'll have to use /two GPUs/? You'll need a HDMI port, even though both DVI and VGA are capable of driving high resolution monitors?
No, you didn't mention consoles. You also didn't mention anything that even made sense.
I do not know whether to be offended by this or if I start to laugh out loud...
1. Like i said, i didn't mention consoles because this is not the subject in OP, he likes to know the best graphics cards for a
PC2. DirectX is for PC's, not consoles, you know that, right?
3. Graphics cards and games (DiRT 2, for example) with support DirectX 11 is came out in early 2010, you know that too, so you believe that Skyrim like a top-graphics-game he will be,
will not support DirectX 11 in PC in november 2011? (Even if not necessary to play the game). Think again.
4. No, it's not necessary to have 2 GPU in PC to play the game... However, like i suggested to OP, is better buy a good motherboard and PSU who will support propper Crossfire /SLI, if he want to upgrade the computer later on without having to switch more components.
5. Best graphics cards cames with native HDMI, and is better this way, no need for adaptors if the monitor has HDMI entry too, just one cable will do the job and no loss of quality signal. Trust me, is better !!!
6. If you want to play Skyrim in a console, be my guest. However, you want to limit players who have a PC, and suggest
NOT BUY A GOOD GPU because the consoles has only 512 Ram? You are really serious about that? So you believe that the game will have the same graphics in PC and consoles then too, right? LOL...