Best record shops in Denver?


Heading to Denver this weekend for a quick business trip.  I'll have a few hours to spare on Saturday afternoon and was wondering if there are a couple must see record shops to check out?  I'm 100% focused on Jazz if that singles out a particular shop.  

Thanks in advance.  

Mike 
mvrooman1526
Twist and Shout. Colfax and Josephine
if you have time Wax Trax is about 10 blocks west is at 6th and 13th
Colfax is 15th so a few blocks south and west about 18 blocks

have fun
Was able to check out Twist and Shout and Wax Trax.  Both great shops and picked up some Tone Poet and BN 80th stuff.  

Thank you for the recommendations.  
Best,
Mike