I had to snort when I saw the rules described as 'untested.'
T&T is venerable ... the second fantasy RPG published (after D&D) in the US, and, in fact, the first in many European nations. It was the first system to introduce solitaire playing, the first to introduce armor that absorbed damage rather than modify a hit %, the first to introduce saving throws against stats .... the game system is almost 40 years old. And once upon a time, it was big news, second only to TSR's offering, with its own stable of published modules in the game stores, its own high-quality game magazine (with fiction from top fantasy authors of the day), good representation in conventions, and son on. And since D&D has been modified to be unrecognizable to its origins, I would now feel it is fair declare that T&T is the oldest living RPG extant, as each successive version just honed an already well-functioning framework of rules.
For someone expecting detailed combat simulation with attacks of opportunity and combat turns that take 30 minutes to resolve, look elsewhere. For a game where one can roll up a character in 5 minutes and have a blast, this is a good game to introduce to your gaming group. If they respect a game with simple elegant rules, you will have a blast.
[5 of 5 Stars!]