CoH was my number one favorite game, however, I'll be very disappointed if they don't do more in CoH 2. Back in 2006 it was a revolutionary game (because most people have never played Ground control), no resource collection, squad based unit control, cover based combat, firing arcs for weapons support teams, all of that was very interesting. That was what made it a good RTS. However, if they just try to release the same game 6 years later... ... it would just feel like the same game, but you know, out dated by six years of development.
Problems with CoH 1 system:
1) Capping points is an abusable system that took away all sense of realism in multiplayer. Pio-Spam, Rifle-Spam, Volks-Spam in COHO, are all results of the point capping system. Europe in Ruins mod and Wargame: EE has come up with better systems already.
2) Infantry (Especially Vetted KCH) will eat up hundreds of machine gun bullets, take 155mm artillery shells to the face, and still kill anything on the battlefield like they are God. I frequently run vet 3 KCH around sherman tanks and charging head on into MGs, knowing that 76mm HE shells and 7.92mm bullets are evidently not enough to kill 3 flesh and blood men, because as we all know Nazis in black leather are ******* gods.
3) House ownership. Why can't I just storm into an enemy occupied house and fight them for it? But instead have to run around the house like a bunch of idiots shooting at walls? Also bullets that shoot through terrain is an engine problem.
4) Accuracy. Most of the units in the game can't hit an elephant standing right in front of them with a ******* rifle.
5) Hit Points for Tanks and Vehicles. <-- This is what makes RTS games so unrealistic. After all these years of RTS development why do we still have hit points in games?! When an AP shell hits a tanks, it should do one of three things: a) Bounce off, b) Penetrate and damage specific modules and/or kill crew members, c) destroy the tank. It should NOT take away some hit points from the tank. I mean WTF do hit points represent for a tank?!
CoH was one of the best games ever made, and I bought it twice (on disk and on steam), and I told all of my friends to buy it and try it. However, if they make the same game six years later, then it will be nothing but a derivative RTS title. Look at Starcraft, which was the best RTS game in 1999, but Starcraft 2 is a boring and outdated RTS game for 2010. I don't want to see CoH go down that same road.