First Don't Upgrade hoping something will play well on future games. Wait 'til the game is released, then upgrade (even an R9800XT will be cheaper then should you decide to stick with your first choice).
Second, the XT is likely not a good choice for your money as the R9800Pro is likely much cheaper and very close in performance.
Wait for the new cards; expect them to be at least 50% faster than the current ones in most applications (I figure it's like comparing and R9600XT to an R9800XT).
- You need a licence to buy a gun, but they'll sell anyone a stamp <i>(or internet account)</i> ! - <font color=green>RED </font color=green> <font color=red> GREEN</font color=red> GA to SK