Just to share my machine configuration that runs Windows 7 Ultimate Release Candidate.

Host Name:                 ID-xxxxxx-01
OS Name:                   Microsoft Windows 7 Ultimate
OS Version:                6.1.7100 N/A Build 7100
OS Manufacturer:           Microsoft Corporation
OS Configuration:          Member Workstation
OS Build Type:             Multiprocessor Free
Registered Owner:          xxxxxxxxx
Registered Organization:  
Product ID:                00428-321-7001166-70410
Original Install Date:     5/11/2009, 4:06:50 PM
System Boot Time:          9/2/2009, 10:02:35 AM
System Manufacturer:       LENOVO
System Model:              7673AU1
System Type:               X86-based PC
Processor(s):              1 Processor(s) Installed.
                           [01]: x64 Family 6 Model 23 Stepping 6 GenuineIntel ~2101 Mhz
BIOS Version:              LENOVO 7NETB6WW (2.16 ), 7/1/2008
Windows Directory:         C:Windows
System Directory:          C:Windowssystem32
Boot Device:               DeviceHarddiskVolume2
System Locale:             en-us;English (United States)
Input Locale:              en-us;English (United States)
Time Zone:                 (UTC+07:00) Bangkok, Hanoi, Jakarta
Total Physical Memory:     3,046 MB
Available Physical Memory: 1,241 MB
Virtual Memory: Max Size:  6,091 MB
Virtual Memory: Available: 4,032 MB
Virtual Memory: In Use:    2,059 MB
Page File Location(s):     C:pagefile.sys
Domain:                    xxxxxxxxxxxx.xxxx.xxxxxxxxx.com
Logon Server:              N/A
Hotfix(s):                 12 Hotfix(s) Installed.
                           [01]: KB958559
                           [02]: KB967355
                           [03]: KB969497
                           [04]: KB970420
                           [05]: KB970421
                           [06]: KB970423
                           [07]: KB970424
                           [08]: KB970789
                           [09]: KB970858
                           [10]: KB971180
                           [11]: KB972260
                           [12]: KB973346
Network Card(s):           3 NIC(s) Installed.
                           [01]: Intel(R) 82566MM Gigabit Network Connection
                                 Connection Name: Local Area Connection
                                 Status:          Media disconnected
                           [02]: Intel(R) Wireless WiFi Link 4965AGN
                                 Connection Name: Wireless Network Connection
                                 DHCP Enabled:    Yes
                                 DHCP Server:     xxx.xx.xxx.xx
                                 IP address(es)
                                 [01]: xx.xx.xx.xxx
                                 [02]: xxxx::xx:xxxx:xxx:xxxx
                           [03]: Bluetooth Device (Personal Area Network)
                                 Connection Name: Bluetooth Network Connection
                                 Status:          Media disconnected