Much cooler than riding for me or buying one of my cabs is to make your own, better version. To help you get started, I've made this Instructable on creating your own pedicab:

Should you live in as regulation-happy a metropolis as I do, you might also want to check out my Instructable on getting your DIY creation government-approved. Good luck; be sure to send me pictures and build instructions on anything you come up with!