For me, its a significant improvement.
110 with hw acceleration on.. isn't too laggy.. and speed patch and battery patch..
My max freq is 750, Min is 500 and smartreflex is on.
It keeps the frequency to 500 on standby, sometimes on 700,
and 600-700 on useage and only goes to 750 with REALLY needed.
Usually, it goes to 700 alot, with Powersave, It goes to 25-30% of 500, and sometimes 700.
And I dont loose much visual performance or without the need of reducing Brightness.
Most of all, If I'm correct, stand by time should be around 5 days from full charge to 5mAh *when phone turns off* which is quite significant.
I'd be happy if someone tries this for testing results coz I don't get alotta free time these days to test it all out.

# DO NOT EDIT THIS FILE - CREATE A COPY OF IT FOR CUSTOMIZATION
# minimum frequency to use
MINFREQ=500
# maximum frequency to use
MAXFREQ=750
# list of frequency configurations: each "frequency:volt,dsprate"
FREQS="0:30,90 125:30,90 250:33,180 500:38,400 550:40,430 600:42,500 700:45,500 750:47,500 805:50,500 850:52,500 900:60,500 950:60,500 1000:60,500 1100:72,520 1150:72,520"
SMARTREFLEX_VDD1=1
SMARTREFLEX_VDD2=1
GOVERNOR=ondemand
UP_THRESHOLD=85
SAMPLING_RATE=150000
IGNORE_NICE_LOAD=1
POWERSAVE_BIAS=110


^thats my settings for kernel power