We've been reading up on packing tips, and here are some URLs that we recommend you explore to get information about how and what to (and not to) pack:

http://www.britannia.com/travel/PackingGuide/ 
http://www.acis.com/travelcenter/pretrip/packing.asp 
http://www.uiowa.edu/~uiabroad/predeparture/packing.htm 
http://www.hamline.edu/~jwdart/JET/packing.html 
http://www.usatoday.com/life/travel/leisure/2001/2001-08-27-smart-packing.htm 
http://www.tips4trips.com/Tips/packtips2.htm