Mouse and keyboard control is a pretty huge deal... also, much better graphics... also, open platform means tweaks and hacks, even if they try not to allow them.
There are a lot more reasons to game on PC than dedicated servers. I am a diehard PC gamer and have never cared one way or another about dedicated servers because I have never been a multiplayer gamer.
It's obvious that beyond dedicated servers there are numerous reasons to game on PC. But what Infinity Ward is trying to do is limit how PC gamers play the game on a multitude of levels. There's no mod support. There's no dedicated servers so multi-player will be crap right off the bat. There's no control in how I play online due to their IWNET system. And there's no console access to tweak certain settings not found in the game's graphic options.
IW basically removed so many things that made PC gaming a viable platform to expand and extend the life of the game. The lack of dedicated server will hinder how long multi-player will last (see Xfire's Operation Flashpoint: Dragon Rising to see the trend). The lack of modding and mapping support basically halts everything that can potentially add to the game, such as different weapons, new maps, Total Conversions, new gameplay modes, and so forth.
02:54 Moriarte
Ignoring IW.net, is the PC version a direct port of the console version?
02:55 Mackey-IW
No, PC has custom stuff like mouse control, text chat in game, and graphics settings.
The above quote pretty much defines how they view gaming on PCs. We all know, as PC gamers, that mouse control, text chat, and graphic controls are standard features. No idiot would develop a PC game that doesn't have that. I don't see MW2 on PC as a PC version. I see MW2 on PC as a port. There is no unique feature specific to PC other than the standard set of PC-centric properties found in many games today. Because there is nothing else to make MW2 PC stand out from the console crowd, there's really no need to play it on PC. The Xbox 360 version will suffice. Sure the controls won't be as fine and granular as the mouse. But when there's nothing else on the PC platform, why bother?
But here's another thing. If not playing the multi-player aspect of the game, why not simply rent the game instead? Multiplayer is a big part of the CoD franchise and since it's useless to even try on MW2, the only reason to play MW2 is for single-player. If for that alone, wouldn't renting be a whole lot better than dumping US$60 for a downgraded game? But if you must play the PC version for single player... well, I think we pretty much know that route one could take.