I like 1 or 5 the best, though 4 is not bad. I think the 1 or 5 should be a little bit more vibrant looking and pop more then they would be really nice. But I voted for n.1 anyway.
I'll take 4, but perhaps you could add some sort of 3D projection for the letters there...should look even nicer
The TE's all-round and doubles GOAT 73 titles (7 S + 66 D) + Davis Cup + Team Cup 11 Grand Slam titles in doubles (out of 12 played) Best singles ranking #3 Best doubles ranking #1 Olympics 2012 - singles bronze, doubles gold