Actually I thought that the TonePrint feature provided for modern TC pedals would be just a fun thing, but I must admit it adds real value on top of an already great delay pedal. Personally I normally have chorus, tremolo and flanger effects for the three respective toneprint slots. These are effects I rarely use, but it's great to be able to use them through the FB2 upon need! Saves a lot of space on the pedal board (and money...).
As for the delay as such, I think there are enough testimonials out there about the superb sound delivered by the FlashBack2 (and most other TC pedals for that sake). The MASH technology is fun to play around with, although I haven't found myself using it that much. But the three TonePrint slots are fantastic!