making a resolution independent site gives me less flexibility as a designer though, no?
That's a fair enough point if the site is like Ed says, just your own bit of fun. If it's a commerical site or something like this site that is going to get viewed by a large and varied audience then surely that audience is far far far far far far more important than 'your flexibility as a designer'.
I'm not having a go at you per se but that kind of thinking is why a large chunk of the web is so bad in my opinion. Too many people creating sites for themselves and not for the people who will end up using them.
As regards the other point someone made about percentage based tables being slower - don't even get me started about using tables for page layouts rather than just data! Proper, well written semantic CSS driven markup will be quicker every time (when it works ;o)
As you may have guessed I'm a bit keen on web standards (www.webstandards.org et al) even if browser support thereof drives me crazier than it's safe to get in public.