WWE hands down is king of wreslting....awesome stroylines, always mixing it up, good talent and good matches with the best wreslters....sometimes its a litle overdone with all the programming but its good because they show the young guys and up and comers....
TNA - I am a huge fan of TNA....it has good wreslting and entertaining matches but sometime I feel they try to be too sneaky with endings and end them in a surprising fashion instead of setting up someof the good finishers some of their wrestlers have.....also the storylines are weak sometimes....
ROH -tough because it just came on television but I read and heard good things but never seen it yet myself....
they are pretty much #3 today if you made a list....big indy promotion along the east coast (i think), they just signed a TV deal with HD.net and have Ric Flair working with them....