Ask HN: Analytics Programs

I'm launching a new website, and I'd like to do some detailed analytics on the usage on the page (i.e., more than just Google Analytics). I love what KISS Metrics offers, but this is a bootstrapped startup, and I'd prefer not to pay the fees for KISS.

What other analytics programs are you guys using to do detailed split testing?

I need to know where users are looking, where they're clicking, how long they're staying on each page, etc (i.e., would be ideal to track usage from landing to exit).

Thanks for your help.