The K-Tel-like collection MTV's Best of the Buzz Bin celebrates MTV's ultimate weapon in usurping music lovers' imaginations. And though it strives to illustrate what the network considers to be programming diversity (White Zombie, Danzig, Blind Melon, Dave Matthews Band, Bush, Stone Temple Pilots), it aptly achieves the opposite with its one nod toward urban music US3's lightweight ''Cantaloop.'' B-

