Saw those couple of technical posts and I'm joining them.

So, is there a small simple program what shows CPU load when in game, like afterburner can do for GPU. Usually I don't have any clue how much some game uses the processor.

Well, I use Iarsn TaskInfo and I've got a log of CPU usage. This way I can check the CPU load even when games and application are closed or closing.

Well, almost what I was looking for. Taskinfo is a bit expensive and takes a bit of getting used to but I found Abpmon, which was free, it's essentially the same but has just fewer options. So I got that and coretemp (don't really get it why in that log file that which seems to be some csv-file I just get the time and nothing else when I open it) but I can use those if I play in windowed mode, so thanks anyway.
Infact, again to get crysis working, had to shut down afterburner or it was that forcing v-sync and triple buffering with d3doverrider. So perhaps it is just better to just see how things run but I sure would like to know would upgrading my cpu change things much and is it bottlenecking.

But I'll mark this as solved.