http://www.guitartricks.com/forum/showthread.php?t=32615
It's a common question that people have. Eventually, your question will be more in line with what that guy asked in his thread. That is, whether or not you should learn to read standard notation, or if tablature is good enough.
In the ends it depends on what your long terms goals are. Whatever they are, it's best to start preparing for them right now. Actually, you should apply that mentality for everything in your life. Not just guitar.