We have 5 Treks, all are mid-level, two mtbs, two road bikes, one cheapo tandem. Our choices were good bikes for the price and as components have worn out we've upgraded. All our Treks are steel and are 25, 17, 17, 15 and 14 years old and still ridden regularly. One frame was warranty repaired and repainted by Trek without a problem (I cracked a seat stay on one of the mtbs).

So long as the bike fits.