I would invest in funfair, bitcoin is a bit of a risk. Although, I do expect bitcoin to keep on going up for a while longer... maybe buy a portion of bitcoin now, and then sell just before the fork happens. You would make a bit of money that way, but like I say, there are better coins atm.

Even litecoin is a good option, I mean it's expected value will be around 1/4 that of bitcoin so should be a good hold for the long term :)