I had once seen some first-time pass stats broken down by company... and looked for this but couldn't find it. You may wish to search and spend some time reading independent accounts of stats, not what is provided by the company. L2Go was pretty high, Kaplan wasn't all that high, going from memory.
I have heard the most
pos feedback about License2Go... I think it is
www.license2go.net
I have no financial interest in this company or any other in this field but only mention this because I am such a helpful sob and I have nothing better to do at the moment... but I am going to the race track here in a little bit, so after that... all bets are off... I mean ON. I feel a
*BIG* Superfecta in my near future.