Has your track bike jumped the shark?

This might be relevant to some of us out there, maybe:

"Has your track bike jumped the shark? Do you have one too many track frames in the basement, and one too few geared bikes for getting around town? For roughly $300 you can give your 120 mm spaced track or single speed bike a six-speed makeover with the Fyxation Six Fyx group."

Via Urbanvelo.