using those tutorials and then Mike Crashes video noise reduction plug (http://mikecrash.wz.cz/)
I was amazed at what i did with some dark grainy footage some one gave me.
so good I shoot everything wihtout lights now! ; 0 )
Seriously, much better results than I expected, just take your time tweaking.
Gamma Gamma Gamma . .DON'T TOUCH THE brightness on anything . .do the GAMMA before any colour thingy .. . did I mention using gamma first? Oh, you'll find it in Sony Levels . .it works for me . . Learnt it from BB's site, oooh about 12 month back .. .