Driveshaft Ujoint Replacement

Using Vice to press out U-jointAfter driving around with the clunking and thunking on my Toyota Offroad rig for quite a while, I've decided to stop putting it off and replace the u-joints in my rear driveshaft. The question is whether or not I should do it myself.

I found some decent write-ups online, and here's some info I managed to gather:

And here are some pictorial writeups on how to do it yourself:

http://www.stu-offroad.com/axle/ujoint1/u-joint-1.htm

http://www.pirate4x4.com/tech/ujoint_install/