Get the wrenches and have somebody show you how to adjust the headset, if you don't already know. My '02 loosens up about every 1,500 miles. It's a great bike though. I'd buy another if somethin happened to mine.
Is it hilly where you are? I put a 20 tooth freewheel on the other side of my flip-flop hub for climbing mountain passes here in Vermont. An 18 tooth Surly cog on the fixed side handles everything else.