My current rig:

AMD Athlon XP 3000+ (Barton Core) @ 2.2GHz
Asus nForce2 A7N8X-E Motherboard (built-in sound disabled; nForce and 3com Ethernet controllers both on)
1GB (2x512) DDR 333MHz
Seagate 2 x 120GB SATA HDD @ 7,200RPM (non-RAID)
160GB External USB 2.0 @ 7,200 RPM
eVGA Geforce 6600GT AGP (128MB) @ 550/1100MHz
Creative Soundblaster Audigy 2
Memorex 48x/32x/24x CD-RW
Generic 52x CR-ROM
Viewsonic 19" (18" viewable) - 1280x1024x32 @ 75Hz (most games 1024x768x32 @ 100Hz)
PSU (can't remember name) 550W / dual 12V rails @ 18A each
Silverstone ATX Case
XP Pro / Ubuntu 7.04 - Feisty Fawn


My notebook later this month or early next month (waiting for new revision):

15.4" WSXGA+ 1680X1050 Glossy
nVidia GeForce 8600M GT 512MB (DDR2 )
Intel Core 2 Duo T7700 2.4 GHz 4MB 800 FSB
2GB DDR 2 667 (1GBX2)
160GB 5400rpm 2.5-inch 9.5mm HDD SATA (will probably upgrade to a 200GB 7,200RPM HDD when they come out)
1GB Turbo Memory (pretty much useless or so I've heard)
8x Super-Multi DVDRW DL/Light Scribe
Built-in Webcam
Built-in RF Biometric Fingerprint Reader
Microsoft Windows Vista Business 32Bit / Ubuntu 7.10 Gutsy Gibbon (when released)
Bluetooth V2.0+EDR
Intel PRO/Wireless 4965 802.11 a/b/g/n


And when it's released for T-Mobile:

RIM Blackberry Pearl 2 (8120). I would consider getting a regular Pearl now, but the built-in Wifi on the Pearl 2 is too enticing.