What will the sales results be?

I'm thinking 60% PC and 40% 360.

this would kill 360 but it would be interesting to see the result.

Uhm 60% Pc? lol
PC is going to be a lot lower percentage
more like 15%-PC, 85%-360
First off the game already has a 360 following and I doubt most of them are much of PC gamers

Wow, no. Like 10% PC, 20% would be the max.

I thought there were far more PC gamers out there and given a choice, people will choose PC.

I have a PC that could easily play Gears 1, Bioshock, Oblivion, Mass Effect, and all those other games. I bought all the console versions (except Oblivion, which I don't own at all).

I found this article.
http://www.eurogamer.net/article.php?article_id=164253

"If we launched a Halo game on PC and 360 in Germany simultaneously, 80 per cent of sales would be on the PC," he added.

yes, PC would easily take most of the sales away from 360. Almost every online PC/360 game has sold far better on PC than Xbox 360.

An MS Director said recently: "If we launched a Halo game on PC and 360 in Germany simultaneously, 80 per cent of sales would be on the PC,"

EDIT: beaten.

 There is quite a difference between Europe and the US when it comes to gaming on PC.

Europeans play far more games on their PC than in the States?

I think it would be about 50/50.

In Europe it would sell something like 70/30 in the PC's favour. But in America, where the game is more popular, it would be about 60/40 in the 360's favour.