I've had my eyes on these for a while... check them out:

http://www.gateway-websites.com/cgi-bin/ePages4.filereader?0+EN/catalogs/126402

Also, I have one that I bought at target that clip into the driver side air vent. The cup holder itself is vented. Does the job.

__________________
Willy

'94 E420 White

Mods
-------
Berg Werks Keyless Entry
Buzzer replaced with Chime
Dash Light Upgrade
Burlwood/Leather shift knob
Alpine CDA-9815 Head Unit
2002/2003 16" C Class 7-Spoke Wheels
Updated "Chip" to fix Code 19 problem