NP Vap- I'm actually really excited about the Protege... So much so that i ordered a PT with most of the adapters. I actually got started on a M401 (well eHealth, but the 401 was my first good unit), and have many atomizers for it. I already have a charger for 18650s and 16340s so I'm off to deal extreme for some 14500s.
If your looking for a case/holster for the protege, then I'd direct my search towards an AA sized flashlight case/holster. I'm thinking that maybe a mini-maglight holster *might* work out pretty well. It keeps the light pretty snug, and is open at the top for easy access. Other wise a single plastic cigar holder would do well for travel, but may prove cumbersome for EDC (every day carry).