Rent Bioshock or wait till I can Buy it?

[tk1797]

sieanr said:
I haven't finished, but given the amount of time I've put into it, I'd say renting wont be long enough unless its gamefly.

And I do intend to play through a second time, not just for the ending, but for little story related details I may have missed.

I have it for 2 weeks, is that long enough?