If you play a good bit I would wait till you hit level 58 as well, it will take a little more in credits but be worth it.
The level 47 Raptures are great clubs, slow meter and you can advance to the master level with them, once you get beyond that you want better stuff so to avoid double buying you might want to hold off. Not sure how quick you level up but it shouldn't take that long to get to level 58.
To JimBOg above, don't buy the level 94 R11S, wait for the level 98 R1. There isn't a huge difference between the R11 and the R11S and you will save a good bit of credits in my opinion.