I've bought from them. Really nice looking products at very reasonable prices...
Beyond that, I have nothing good to say about them. They had my product "in stock" until 5 minutes after I submitted my order. Then it was on back order, for months. I eventually got it though, and it looked really nice, and was packaged nicely.
The quality beyond looks was, well, "el cheapo". Crappy linkages and hardware. I tried to use it at first, then went to town (an hour each way) to buy some "real" hardware. The stuff they gave me with the kit was very poor. Threaded rod that was so slightly threaded it was practically smooth. Cheap metal, that would bend easily or just snap. Cheap plastic with no durability. Thin fiberglass. Sloppy hinging, with way too much play, and play in directions that shouldn't have ANY play...
The "manual" was written in a very "creative" fashion. I think they just asked anyone in the room if they could speak English, and took the lone volunteer's word for it with no further verification. "Poorly written" would be a generous appraisal. Fortunately I've been building for years, and scratch build many of my models, so it was no big deal. Had I been new to the sport, and needed the directions though? Ugh... I seriously question the wisdom of some of their building/set-up decisions as well. Simplicity is the goal, but at a real sacrifice in reliability and durability, IMO.
Durability= very poor. Overall satisfaction with my purchase? Very poor. Money well spent? No. I went out and bought myself a nice American-made kit two days after I received the foreign-made junk (er, kit). I got what I paid for, in both instances. Low cost/low quality, higher cost/higher quality.
Want to see if this hobby is for you? My recommendation is to steer clear of these guys, and buy something that has a chance of making you happy, and lasting a little while, at least.
BTW, if you start looking at these "Nitro" companies online, I actually believe that there are 6-8 "different" companies all run by the same clan. They're "competing" with themselves. I even suspect if you call or email them for support you'll be talking to the same guy each time, lol.