poorman

get a book or 2 on the subject along with the free web sources 2 old computers these u can usealy buy off someone for 50 to 100 bucks a router from a seond hand shop should be not to much over 5 bucks and create a small network install backtrack and learn to use it in a controlled setting

go check out irongeeks page he has a keylogger code that he posted to his page he also has hardware reviews on some of the hardware dongles that capture keystrokes you can also find code examples in the unoffical guide to ethical hacking second edition its by ankit fadia and put out by thomson course technology isbn number is 1-59863-062-8 you should probaly be able to find a keylogger in kali distro tools as well