This is a waiting game. If you put money into Ripple at this time, you are risking that OpenCoin never open sources or simply disappears. Speaking as an investor in XRP, I am well aware of this. As with any investment, use your head, think about the risks. Never risk more than you can afford. Don't listen to people on forums, make up your own opinion.
Of course you'd figure once OpenCoin becomes open source the Ripple price will go up... But it has already gone up. Way da hell up. 52 XRP / $1. Something is wrong when a Bitcoin Talk account is worth $200.