I have installed the 900mhz kernel. CPU: 125mhz / 250mhz / 500mhz / 550mhz / 900mhz DSP: 90mhz / 180mhz / 360mhz/ 400mhz / 430mhz Now my N900 is fast as hell. :-) But it stays on 500mhz when idle. Is this normal?