The Milt Sparks 55BN $80
DeSantis Speed Scabbard $40 (thumb break model available)
Hume Open Top $40
Rafter S OWB $45
Tucker Gunleather HF1 Belt Holster $85 for basic model
Also under consideration is the Alessi Close Covert, but I couldn't find a good pic of it.
What about this lineup