A pretty old and commonly available tip, if you want to limit the privileges of a user by giving him a non administrative account but allow him/her to write CDs/DVDs
Change the Registry Sting value of allocatecdroms at HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon to 1
A cool thread by quad master at thinkdigit on contact numbers and addresses of various hardware vendors. Came in really useful today as I was trying to find a way to locate a seagate service center. Also if you want to buy anything, you can go directly to the source.