We have a 2014 Tuscany, with no major problems in 1-1/2 years and 15k miles. Ours has one hydraulic full-wall slide, and two shorter slides with Schwintek mechanisms. The only consistent problems I've heard of with the Schwinteks have been on full-wall slides, which plagued the earlier Thor Palazzos. The problems may or may not have been largely resolved by now, using upgraded Schwintek hardware (stronger motors, steel vs. aluminum rods, and/or three tracks instead of two).
At any rate, I've yet to hear of related problems with the Tuscany slides. The Tuscany isn't a perfect coach (if such a thing exists), but it has a lot of good features for the price, and for us, the floor plan that we liked the best.