On my monitor, the words blend into the black and is a little hard to read. You might want to brighten the white area of the words slightly to make it stand out more. I am on an LCD here. I'll check it out again on my other PC when I get home.
That is a cool logo though, keep making stuff like that it you enjoy it. It is people like you that go on to become great designers
Put it as your signature, that is very worthy in my opinion.