turbodig said:Mmm... Clean.
Might want to try some of these for your aluminum stuff:
http://cgi.ebay.com/Miracle-Polishing-Cloth_W0QQitemZ260063412868QQcmdZViewItem
You can polish the A/C filter/drier and pipes until they're like chrome.
Rub with the cloth, then off with an old sock. You'll be hooked.
Dig