Just a few links about developing with CSS, some new tricks and helpfull information:

Article 70 expert tips for better CSS development – www.smashingmagazine.com
10 CSS Tips You Might Not Have Known About – www.christopher-scott.org
CSS Slicing Guide – www.csslicingguide.com
CSS Templates | open source – www.tinderbox.com
CSS Forms | UniForm – dnevnikeklektika.com
60 Best CSS Directories | watch list – www.wittysparks.com
CSS Dock Menu | mac menu – www.ndesign-studio.com
CSS Cheat sheat | css references – www.lesliefranke.com
CSS simple nav bar – www.cssplay.com