While I personally don't use my 6.8 for long range, it is an awesome deer/hog gun here in TX. I PMed you a link which will provide you with a lot of reloading data.
Brian
According to the sticky on 68forums under ammo and reloading there are 36 bullets to choose from that you can use in hand loaded ammo. I don't think that this round is going anywhere in the future but up. Rumor has it that some cheap plinking ammo will be released this spring/summer which will...
I wrestled between both makers and decided on the WOA. My gun is the 20" varmint special (1-7 twist) and I couldn't be happier. I'm sure if you choose RRA you will be happy too. My research just lead me to WOA...
Good Luck,
Brian