I chose qw, since I have to do some really wonky quote multi-level embedding of data (thanks to how many steps down the road it ultimately gets to the users, some of whom are using VB apps (And what idiot decides to use the ' character as a comment character? (But I digress. (Repeatedly.))))

That said, I do occaisionally have to work deep in Oracle databases, and there are times I'll be in the middle of working on a stored procedure and thing "Boy, I could sure use Perl's regular expression package right here ..."