I have a number of them, the oldest is probably three years old now (or close to it).
The buttons are never sewn on well enough, all mine are loose or have been resewn and I don't do my jacket button up that often.
The quality of the fabric leaves a bit to be desired, they seem to get shiny sooner than many of my other suits.
All that said, especially on sale they are very good value. I just wish they'd stick to the classics in the slim fit - all these crazy colours and...