It's about 1.1 hrs for each front door, and abut $145 for the left motor and about $135 for the right side motor. At $100/hr, thats $220 labor and about $300 for parts including tax. Total about $550. I think that the motors come as a unit with the rest of the window regulator mechanism, FYI..
Here's a directory for you:
Chrysler here in Portland said 600.00 for both. We found a semi retired cadillac mechanic that did the repair in his him shop for 235. My advice is to look around and find a reputable independent not looking to get rich