Wow, thank you all for your comments. After reading all of your comments and insight, I think it would probably be the most simple to sell the 430 and buy another 600. I wish Canon would come out with a 450ex-rt or something of that manner and it actually would not surprise me if they did. I'm going to spend the next few hours looking into the third party gear for ease on my wallet and if I can take advantage of the radio functionality for less $$$ then I definitely will.
Thank you all again!!!