congrats on the purchase.
of the problem areas listed, the torn CV boot is by far the most significant that needs to be fixed asap. if you get dirt in the joint because of a torn boot, you'll likely end up needing a new cv axle...not cheap.
here's a good site for DIYs, including the CV boot replacement:
http://www.pedrosgarage.com/Site/DIY_Projects.html
good luck.
-jimmy