The Stamina Products 1400 ATS Air Rower in my opinion is a poorly made rower. Now for $330.00 I'm not expecting the highest of quality, but it started to fall apart after 3 months of use. This machine does not have a very effective air resistance device either. I had to row at 40 strokes per minute for 45 minutes to get a "decent" cardio workout because there is no way to increase the resistance. Within 2 months the machine began to squeak loudly (WD-40 did not fix the squeaks) and the frame started to become loose. By the 3rd month I finally trashed it because the squeaking became unbearable (it was so loud that I could hear it over my iPod at full volume) and even with tightening the bolts, the frame still wobbled constantly.
I would not recommend this machine to anyone who is going to use this 3+ times a week and more than 30 minutes each workout session. If you plan on using it for only 2-3 times a week for 10 minutes at a time, I believe it would last 6-10 months.