In response to the recent Sitepoint Article "Get the Look"
http://www.webmasterbase.com/article/796/53

I have dug up a fair few retro designs that I though were good.

http://www.webaward.org/
http://www.siia.net/codies2002/
http://www.thewebreview.com/reviews/
http://buyarock.com/index_02.html
http://www.alistapart.com/index.html
http://maxfunds.com/
http://www.atomicmag.com
http://www.makethematch.com/
http://www.pixeldecor.com/
http://www.retrodc.com/
http://www.sparkysgarage.com/detected.html
http://www.hugehosting.com
http://www.austinpowers.com
http://www.that70sshow.com/
http://ninemsn.com.au/entertainment/...dirtydeeds.asp
http://www.alistapart.com
http://www.libragirl.com/
http://www.girlswhowearglasses.com/
http://www.guyville.com/

If anyone else can dig up some more designs I would love to see them!