I don't think about it much anymore, and mostly use // or {}.
Once upon a time I did fancy the following ( ¡ = 0161, ¿ = 168, º = 167 -- using ALT+DOWN -> NUMPAD -> ALT+UP)

s¡¡¡g
s¿¿¿g
sºººg
[download]

I really fancy  qw[ ] though.

MJD says you can't just make shit up and expect the computer to know what you mean, retardo! I run a Win32 PPM repository for perl 5.6x+5.8x. I take requests. ** The Third rule of perl club is a statement of fact: pod is sexy.