Originally Posted by
DanBraden
...
I like to build and maintain my bike which can be slightly more involved than puzzling over the most aerodynamic shoelaces I should use to give me the .0000000000000000000001 second boost.
This is a big appeal that has cycling has for me too. Unfortunately it's also a bigger drain on my wallet.
However, with all the heart rate monitors, GPSes, and things like Nike+ coming out, there's a lot toys to satisfy geeky runners too.