I have a t-2000 I bought it since it was a good bike for the money and it had good gearing etc.. Mine has been ridden across the country once but has a total of 9,000 Km to date. I have no complaints other than the seat post which was too short for me and the seat which had a bad habit of puffing up at elevation ( a Look with gel insert). I am a big guy so I swaped out the bars for a wider set and am much happier.
I handled the one hole setup by installing the bolts from the inside of the frame, I ground the head to clear the small cog. I too agree that the bike behaves according to the wheels and tires that are on it. I have a set of go fast wheels for unloaded riding and it behaves almost like a road bike. I would buy one again.