Looks like AMD is now the most popular CPU here at anandtech.
AMD: 8768
Intel: 6708
VIA/Cyrix: 15
IDT: 12
Video Card Stats
3Dfx: 352
ATI: 2256
Nvidia: 4362
Motherboard Stats
ABIT: 403
AOPEN: 170
ASUS: 3448
IWILL: 579
MSI: 3129
Tyan: 1263
Memory Stats
Corsair: 365
Crucial: 4954
Generic: 1643
Micron: 1405
Mushkin: 866
Hard Drive Stats
IBM: 4351
Fujitsu: 316
Maxtor: 4199
Quantum: 1168
Seagate: 1449
Western Digital: 2550
Storage Stats
IDE: 15077
SCSI: 2359
Internet Stats
Cable: 7101
xDSL: 3805
ISDN: 267
Dial Up: 3060
Wireless: 226
T1: 600
T3: 389
OC3+: 260
Other: 651
OS Stats
Windows Variants: 12109
Unix Variants: 1486
Mac: 70
http://www.anandtech.com/systemrig_stats.html
AMD: 8768
Intel: 6708
VIA/Cyrix: 15
IDT: 12
Video Card Stats
3Dfx: 352
ATI: 2256
Nvidia: 4362
Motherboard Stats
ABIT: 403
AOPEN: 170
ASUS: 3448
IWILL: 579
MSI: 3129
Tyan: 1263
Memory Stats
Corsair: 365
Crucial: 4954
Generic: 1643
Micron: 1405
Mushkin: 866
Hard Drive Stats
IBM: 4351
Fujitsu: 316
Maxtor: 4199
Quantum: 1168
Seagate: 1449
Western Digital: 2550
Storage Stats
IDE: 15077
SCSI: 2359
Internet Stats
Cable: 7101
xDSL: 3805
ISDN: 267
Dial Up: 3060
Wireless: 226
T1: 600
T3: 389
OC3+: 260
Other: 651
OS Stats
Windows Variants: 12109
Unix Variants: 1486
Mac: 70
http://www.anandtech.com/systemrig_stats.html