Hello friends, How the Internet is not all well-intentioned, there are sites that do not pay, simply profit from the clicks without passing anything to the users. But, as every rule has its exception, so there are PTCs that are honest and honor the work of its users. With this in mind I made this list with the best PTCs, 2011 .... that really pay and instantaneous, ie, pay at the same time automatically!
UPDATED JUNE 2011
Below the list of best PTC sites in 2011 all tested and approved, I received from everyone:

http://www.clixsense.com/?3479027 Payments Received: 32 Snapshot
http://www.buxsyde.com/?ref=xxparanoiaxx Payments Received: 5 Snapshot
http://www.neobux.com/?r=xxparanoiaxx Payments Received: 29 Snapshot
http://www.publipt.com/pages/index.php?refid=xxparanoiaxx Payments Received: 5 instant
http://www.alienbux.com/?ref=xxparanoiaxx Payments Received: 4 Snapshot
http://www.buxsecure.com/?ref=xxparanoiaxx Payments Received: 8 Snapshot
http://www.tviptc.com/?ref=xxparanoiaxx Payments Received: 14 Snapshot
http://www.incrasebux.com/register.php/xxparanoiaxx.html Payments Received: 24 Snapshot
http://www.bigtimebux.com/index.php?ref=xxparanoiaxx Payments Received: 21 Snapshot
http://www.min00bux.com/?ref=xxparanoiaxx Payments Received: 42 Snapshot
http://www.incentria.com/index.php?ref=xxparanoiaxx Payments Received: 8 Snapshot
http://www.getbuxtoday.com/?ref=xxparanoiaxx Payments Received: 21 Snapshot
http://www.ptc25.com/index.php?ref=xxparanoiaxx Payments Received: 37 Snapshot

Note: All pay instant, that is, when you reach the minimum payout (payout) all pay in seconds ... automatically!
Good profit at all !!!!!
Below list of PTCs that turned SCAN, or not pay more:
http://ptc-investigation.com/ScamList.aspx