It took say 10 seconds of the boot time.
In the wm6.5 Days there was also an oc app wich let you set 1200 and even 1600 something with the 1200 real and the high one a bug in the app. Wich was also around 1600.
You can google dorimanx+hd2 and find tons of links with xda probably very first.
Other people have tried to nativesd his rom.
I once tried one but it had bugs from the conversion. Woudnt install or boot. Potentionally my mistake.
Maybe that is fixed now. Its been a year since.
Finding his rom shoudnt be a problem.maybe even an nativesd one that works.
He always posted his kernels sepparately aswell.
His rom where always based on tytungs work.
Again, all out of my head but i have no doubt it worked.
The battery also drained faster
He always poster benches as he does with his new devices.
for his current work.
He dropped hd2 from his site though.