Well, it depends what you want to do.
If you look for a quick profit, you might be dissapointed, but if you play the waiting game, I'd say get in.
The strategy will be to wait until another big dumb-ass banker tries to discredit Bitcoin or another (China) government tries to ban it, so the price will fall for a few days/weeks.
That is the time when you should buy. But buy the amount you are comfortable to hold for at least a year. And boom, you are in

Anyway, there are other ways to get in besides buying, like some sort of work for bitcoins, advertising campaigns, mining (if you're knowledgeable), building some bitcoin-specific websites. If you roam the forum you will get a big list of ideas of how to get in.
Take care.