"He would like to expand on the campaign missions, but there appear to be no plans in place at the moment. "
That bothers me some. The way the menu works, it looks like you should eventually have several campaigns to choose from. I'd rather have a series of campaigns more than anything else. Some better MP gametypes would also be nice, along with maps, but SP/co-op is where it's at with this game and the single missions don't really cut it.
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Xbox 360 & PC
•AMD Athlon 64 X2 DC 6000 •3GB PC2 5300 DDR2
•BFG GeForce GTS 250 OC, 1024MB GDDR3 •Creative SB X-Fi Fatal1ty Pro / Logitech Z-5500
•24" Asus VW246H 16:9 & 19" Viewsonic 4:3 Monitors
•Win 7 64 bit / Vista Home Prem / XP Pro