I know a few of us here have used Xtreme Karting in Ft Lauderdale. I have cut back my visits due to cost and other priorities. Anyways, Groupon just released a 50% off deal... and makes for a good excuse to go back a couple more times.

http://www.groupon.com/subscriptions/new?division_p=fresno&utm_campaign=UserReferral&ut m_medium=affiliate_link&utm_source=uu14671721

Groupon Details:
For $22, you get a one-year membership, which includes a one-year race license, two eight-minute races (including one on your birthday), a head sock, and racing discounts throughout the year (a $49.50 value).

For $16, you get an eight-minute race, a one-year race license, and a head sock (up to a $32 value).