Ivan, if you want quantity go for TGPs - the biggest ones are those listed in counters listing. For example have a look at PAGES listing of sextracker here:
http://ranks.sextracker.com/spn.html...se&pg=0-0.html
Most of them are TGPs.
If you want better quality traffic you have to start playing with AVS, Search engine traffic etc. For more read
http://www.trafficmatrix.com/ http://www.tutormatrix.com/
XM