Lots of fine IWB holsters out there. That being said I ordered a Milt Sparks VM-2 from these folks today (to celebrate the SCOTUS ruling ) for a Glock 23. They have them in stock and said they would ship it today.
Lightning Arms Sports
For an OWB I have 2 on order (holster fetishes are 'spensive !
)
This one from TT gunleather-http://www.ttgunleather.com/catalog/i40.html
And this one from Boomstick-http://www.boomstickholsters.com/_beltholsters_full_belt_slide.htm