The zOMG All The Bits! bit kits as a genre seem to be made of somewhat shabbier stuff than dedicated screwdrivers are. That said, given the tendency of modern electronics to have obnoxious numbers of size/head type permutations (with different collections by vendor or even model) it would really sting to have to pay full classy screwdriver price for the infrequent occasion you need some ‘security’ oddball.
