The title says it all, should I get the 780 or something from the R9 series, tell me your thoughts, it will be really helpful, thank you.
I would personally wait for the benchmarks and decide from there, however I've seen some leaked 290x benchmarks out there and is on par with the GTX Titan.
I would wait for the R9 290X's release. The R9 290X is supposed to be faster than the Titan and priced around the same as the 780. Even if you don't end up wanting the 290X, the 780 prices will most likely drop.