B: Brand (Model)
R: Reason
A: Alternative

B: ATi video cards (All)
R: Unreliable or non-existing complex drivers, compatibility issues
A: nVidia

B: SiS chipsets (All)
B: ATi chipsets (All)
R: Compatibility and stability issues
A: nVidia and Intel

B: Iomega (All non-Windows 2003 storage server NAS devices)
B: Linksys (NSS6000 NAS)
R: Reliability issues
A: Netgear, Conceptronic, Synology, LaCie

B: Datawrite (All DVDR media)
B: Princo (All DVDR media)
R: Slow and unreliable
A: Verbatim, Sony, Plextor, Maxell

B: Datawrite (All USB Sticks)
R: Slow and unreliable
A: Kingston, Apacer

B: McAfee (SIG, ESW Spam Filter)
R: Unreliable, limited features
A: SonicWall

B: Symantec (All)
R: High performance impact, annoying limitations
A: McAfee for AV, Acronis for BU, hardware for firewall

B: Samsung (PC Studio)
R: Non-standard interface, annoying limitations, inconsistencies
A: none

B: AVG Free-Antivirus
R: Unreliable
A: McAfee Enterprise

B: McAfee Anti-Virus Home
R: Non-standard interface, annoying limitations and features
A: McAfee Enterprise

B: Cisco (VPN Client)
R: No x64 version
A: none

B: Lotus (Notes)
R: Unreliable and slow
A: Microsoft Outlook

B: Novell (GroupWise)
R: Unreliable and slow, massive and unmanageble archives
A: Microsoft Outlook