I'm on postpaid 5 lines, main line has unlimited (grandfathered $20) the other 4 lines jumped onto the 2.5 GB offer. :D
Rumors say they will allow up to 10 lines August 18th so I might be adding 2 more lines for $30+taxes and fees if the rumors are true. (Line 6 rumored to be $10, lines 7-10...