We have had both Keystone and Jayco products and the Jayco products were head and shoulders better than Keystone. We also have several friends who bought new Keystone 5th wheels (Montana and Cougar) that had all kinds of issues with their units.
Not sure about the slides on the Jayco, but Keystone has moved from hydraulics to a cable system on their slides which is a significant downgrade. Both friends had a problems with their slides which needed repeated adjustments. It was another negative. Both of the Keystone 5ers looked really nice with lots of eye appeal/bling.
