For a more elaborate discussion of & vs. non-& sub calls, check the replies that followed from one of my early posts, A question of style. Notably, tye's excellent post here.
in reply to Re^3: Some suggestions on coding style - a chance to critique
in thread Some suggestions on coding style - a chance to critique
"One word of warning: if you meet a bunch of Perl programmers on the bus or something, don't look them in the eye. They've been known to try to convert the young into Perl monks." - Frank Willison