While I can appreciate the want for a fiberglass roof, many if not all of the entry level MH's have TPO. It wouldn't be a deal breaker for me personally as TPO roofs serve and have served countless RV's for a very long period of time without issue. When you are looking at an entry level MH in the 70k range you need to understand it's exactly that - entry level. That said I have had 2 ACES now and loved them both. Neither has had any major issues to speak. We love our 29.2 and frankly I think it has a lot of bang for your buck. Thor customer service is stellar. You want higher end features, you will need to spend more money. If you like the ACE and it's in your price range I can tell you it's a solid entry level MH.