The ford np205 has a drivers side drop, is gear driven (no chains to stretch or break), and costs $100 each at local yards. So even if I somehow broke the cast iron case, I can just go buy another one pretty easily. Also, they come fixed yoke front and rears so no slip yoke eliminator kits like with the other mentioned cases. I just get my custom shafts made and am in business. <img src="/forums/images/graemlins/kewl.gif" alt="" />
Also, the np205 has the ability to be twin sticked.

Richard E
1989 Montero - Stock-ish
1989 V6 Auto Raider - 5.3 Vortech Swap.
1987 Mitsubishi Starion 2.6t, soon to be 3.5
1983 Honda XL600R