Try RCgroups.com and FPVlabs.com for your FPV questions. At least you will get some answers to your questions. RCU sucks for FPV.

If you still shopping for gear, take a look at ReadyMadeRC.com. Tim over there is fulltime and is very cool. He also tests everything he sells, and wont sell gear that is junk.

Look at the 1.2 Lawmate gear. Buy a "lowpass" filter for your video Tx and you will not have any problems flying with 2.4.

Help this helps. Scott