[s10mk]

Hello,

To my knowledge, there are three good options for an overdrive manual trans.
1. Ranger overdrive coupled with sm420/ sm465
2. Nv4500
3. T56 with midshift kit.
I didn't include the gear vendors, only because at $3k, it's a little out of my price range. And I wouldn't consider the nv3500 due to durability issues.
Am I missing anything?

Out of the three options I listed, what are the pros and cons? what has worked the best for you?