I currently have three drive pedals on my board, i considered the first two as "keepers".
1. Lovepedal COT (a gift) - My "Jimi" tone.
2. MI Audio Tubezone V3 (bought 2nd hand) - Bassy, but sounds perfect to my ears from low-gain to high gain.
3. Xotic SL Drive (got from a trade) - My brown sound. More than enough.
Peace