One handy tool that I bought a couple of months back (it was on special for $40) that has really surprised me in a good way is a Craftsman Right angle driver.
Sears.com
I originally bought it to leave near the back of my SUV in the garage so I could quickly drive in and remove the bolt in the hitch that secures my bike rack, it performs that task beautifully.
Since then I've grabbed it for other projects since it's cordless, it made removing the undertrays / covers on my 993 for a shift rod project a breeze. Also used it to run in 3" long by 1/4 lags to studs to hold tire racks in basement, it did a dozen of them with no fade in strength. I can't believe the torque this little thing has:
A review of it: