I did the mod to mine. For about 1/2 the price than the DSLR pro kit.
You need:
A FPV camera ~$25 mines a 2.8mm lense 600tl
A 5.8ghz transmitter. I paid 60 there are cheaper ones.
5.8ghz SMA Antenna's. ~$40
Wire and shrink tube
FPV diversity monitor. I got the Fly sight Black pearl off eBay...
