Frank Black is a difficult musician to pick a best of for, there are no standout singles to speak of, and he has that many good songs that everyone will have their own favourites.
However, this is not for the hardcore fans (who may get it purely for the second live disc and Threshold Apprehension), so as an introduction to new fans, the songs suit that purpose nicely. The only nag I have is that it only scratches the surface of what Frank Black's music has to offer.
I secretly wish that they included songs such as 'I Need Peace', 'Billy Radcliffe', '85 Weeks', 'Bullet', 'Black Letter Day', 'His Kingly Cave', 'Costline' or 'Horrible Day', but at least they will be waiting if anyone carries on their Frank Black collection.
The second live disc is a treat also as it doesn't repeat any of the songs from the first, though I wish it could have been longer.
Overall, it'd something I would definitely lend someone, or encourage them to buy as an introduction to The Man, and serve as a decent mix for if i'm riding in a car with a CD player. It would perhaps even for those who have one album or two and wish to hear a snippet of the various other albums he's released.