If you want to know what is involved, click on the link in my signature below. I did a complete write up when I did my conversion.
As for your decision, go with what you want. You can do a complete 5 speed conversion for less than it will cost to do a descent rebuild on your AODE, but you have to know how to shop for the 5 speed parts. If you have the money, the kits are nice and all, but they rape you on price. I put my setup together for about 700 bucks and I ended up with 2 T5 transmissions in the process. I doubt you can get your aode rebuilt for that price!