Some people may find these products useful so I am sharing some information that I found during some recent web searches...

I have a 2nd Gen 10Gig iPod (touchwheel with buttons around wheel)

Retractable FireWire cables:
http://www.tigerdirect.com/applications/searchtools/item-Details.asp?sku=C250-3600

http://www.macally.com/new/new_lp_1394.html

http://www.targus.com/product_details.asp?sku=PA215U

Retractable Headphones:
http://www.macally.com/new/new_podio.html

-.:cover-my-butt-disclaimer-:.
I have no affiliation with these vendors/products nor have I tried them personally - just passing this on to anyone interested in the hopes that it proves helpful.

Stuff I used in my AUX-input car installation for iPod to Honda factory car stereo with CD changer control support:
AUX input adapter (approx $50 for honda):
http://www.logjamelectronics.com/logjam/auxinpconv.html

RCA-Mini cable:
Acoustic Research AP042 available at www.bestbuy.com for $12.99

Mount:
www.panavise.com (see cellular link - mounting plates specific to car model)
http://www.panavise.com/nf/comm/indash/index.html

Also see portagrip 2000 model 702 (fits iPod)
http://www.panavise.com/nf/comm/cell_portagrip2000.html

Installation instructions (FREE):
www.installdr.com

An example of a cool installation (VW GTI):
(Interesting due to resolution to ground loop problem)
http://www.torquesteer.com/garage/howto/ipodinstall/

My iPod case of choice:
Super Dooper case from www.sfbags.com

My own recommendation for inexpensive ($30), excellent sounding and very portable headphones (I own these and love them):
Koss KSC-35 (www.koss.com)

KSC-35 Highly recommended
Search www.head-fi.org for lots of rave reviews and info on ksc35