How long have you been living in Denver? We have a large Polish community here and many Polish markets, 2 Polish bakeries, a new Polish restaurant and a Polish Church and school (with the Krakowiacy Polish Folk Dance group for children). St Joseph's Polish Church has excellent food on Sunday afternoons, my wife helps out with serving it.
The church website is at swietyjozef.org
The Polish Club of Denver has a link to Polish businesses is:
Although there are several markets that carry Polish meats shipped from Chicago, my favorite market makes their own meats fresh and smokes them - they are the best I have had anywhere. The market is Sawa Meat and Sausage, they have two locations, one on Colorado Blvd in Denver and another on Wadsworth in Wheat Ridge. They are wonderful friends of mine.
If you are looking for Polish connections and passing on traditions to your family, come and visit us in the basement of the Polish School at Saint Joseph's on a Sunday between 11:30 and 1:30 - ask for my wife Regina. Denver has one of the largest and thriving Polish communities west of Chicago that dates back to the late 1800's, and we are currently in a boom of growth at St Joseph's with a new immigrant population from Poland as well.
I grew up in a Polish family in New Jersey and can't think of a better environment for my family here in Colorado.