Processors: AMD, because I'm too cheap to upgrade my AMD760 mobo
Motherboards: Gigabyte, because they're blue and they are stable
Mobo chipset: none
Video Card: None really...Ati seems to have won my heart as of late though
Sound Card: M-audio is rockin me out
Hard Drive: Seagate, most reliable, but a little more expensive
Optical Drives: none, but Lite-On is cheap and flawless
Floppy Drive: huh...
Power supply: Enermax, it's quiet and you don't have to ever worry about reliability
Case: Antec/Chenming, cool, functional, sleek
Keyboard: Dell, I've moved this keyboard through 3 systems
Mouse: logitech is very compatible, but expensive
Speakers: none really, but my Logitech's have great bass and mount easily
MP3 player: apple iPod, because it feels good in my hands and doesn't make me worry like other products might.
[additions:]
Headphones: Grado - neutral and strong in every area, but I wish they were more comfy
Cell Phones: Kyocera - even though my 2235 died, I thoroughly enjoy the vibrate then ring option and the ease of use
Instant Lunch: Annies Shells and Cheddar!
Toothpaste: Crest, Extra Whitening has good texture...not goopy like colgate, and it has a nice screw on top
Cars: currently VW, because it has a great fit and finish inside and out
Guitar: Martin - been lusting after one for years
Gum: Trident whitening - tastes good
Underwear: Gap boxers - cheap and comfy
Mail Client/Internet Browser: OE and IE, cause it works and it's fast
Sneakers: Adidas - durable and stylish, always
Hardware forum: Anandtech BBS...