Welcome to the Forums, OP
First, as this topic seems more about finding a new (to you) bike instead of trying to salvage the one you currently have, I merged the duplicate thread in 'Fitting your bike' into this one- cross posting/duplicate threads is kinda frowned upon.
That being said, how tall are you and what size in that Globe 3? You might still be able to make it work as a commuter depending on your answer.
Also, you want to go "fast"... do you have any idea of what speed you are currently reaching? I thought my bike was holding me back from going fast. After I plugged the requisite data into Sheldon's calculator... it ain't the bike that is slow, but the person spinning the cranks