OT: But cm 7.2 is still (significantly) faster and More stable than eg slimkat for the daily usage? Is that right? From your experiences...
CM7 is still slightly faster than SlimKat, in some respects. For example, when pressing the power button to wake the screen, on CM7 the screen comes on almost instantly, while on SlimKat there is a 1 second delay. Some apps also start and run slightly faster on CM7, probably because of more available RAM.
On the other hand, SlimKat is slightly faster in other respects. In particular, the wifi speed is significantly faster on SlimKat, at least in my experience.
In terms of stability, it's difficult to say. Both CM7 and SlimKat seem perfectly stable for me; no significant problems whatsoever. However, some users still report having issues with bluetooth, wifi authentication, and telephony layer problems.