So anyway my happiness didn't last for much longer than few hours of recording (minutes), so took a deep breath and started what to do next. The only thing didn't try then was try it in WXP, so went through the not so easy way to boot my laptop in dual W7 and WXP 32bit. Installed and started to record and guess what, back to pops and clicks. So went through the old new setting up (again), and got back to the same setting that had on my W7: 64 on I/O cache, 512 on MAUDIO latency, it went good but it is still there, then disable a few drivers (have no antivirus) and turned the wifi off, and it went almost perfect, but it is just not there quite yet, maybe now the noise have turned in to imaginary pops and clicks, but i think i still can hear them in a very low level...
So there you go, now really have reached the bottom of my options. It is not W7 the cause neither W7 drivers of MAUDIO, neither antivirus, or background process, so what it is then? the hard drive??? but if it is so, i wonder why never had to deal with these issues back in 1999 - 2001, when used to work with whatever version was around then of Protools LE and the old Digi 001, and with what ever Mac (power mac G3 i believe) happen to be not so new back then?, my laptop it's million times better than that old Mac, and yes i know DAW's are much more complex nowadays, but why so much hassle? and btw, do not miss Protools neither Apple and not planing to go back there eeeeeeeeeeeeevvvvvvvvvveeeeeeeeeeeerrrrrrrrrrr!