Brian,
The only reason the OMNI line is cheaper is there is no warrenty on the product, but is still a excellent paint line, its why its cheaper then the DBU/DBC BC/CC line . I recomend using PPG's NCS 2003 white sealer , as this will help with coverage of the base. Plus the white will make the yellow POP instead of using a grey sealer.
500 bucks isnt bad at all , as the tu-tone I was going to paint my 37 was HOK kandys with my special mix purple was going to run me 2500 +

Sounds like your getting close to having a finished rod. Good luck

SprayTech