One thing I like about the tower is the expandability. I have one external 3.5 bay and four 5.25 bays. Inside there are spots for four 3.5 hard drives. There is also an additional fan in the front of the case to help keep things cool. I am still using my original IBM XT keyboard with this, not the first model but the later one with the 101 key layout.
Many people have a fondness for a particular keyboard.
I like the feel of my IBM keyboard. Some of the cheap ones you can get just don't cut it, both in terms of feel and in durability. There are actually two. One was a new video card and the other a new modem. First of all the modem.