So you want to learn lisp...

If you are on Mac OS X, Ready Lisp is a good way to try it out with out too much pain. It comes with:

• Aquamacs 1.6
• SBCL 1.0.24
• SLIME 2009-01-25
• CL-FAD 0.6.2
• CL-PPCRE 2.0.1
• LOCAL-TIME 0.9.3
• SERIES 2.2.10
• CL HyperSpec 7.0
• paredit.el 20
• redshank.el 1
• cldoc.el 1.16