well it was posted in 2004.... but the guy at
http://persistent.info is a fair good web he certainly knows his stuff , have you used his gmail persistant searches greasemonkey script?
.
also another cool thing if you wana skin del.icio.us to look like this...
download greasemonkey (firefox only) from
http://greasemonkey.mozdev.org/ then after you have installed it right click on this link
http://darkt.everywebhost.com/gm/del.icio.usskin.user.js and select install user script.