Is Vista service pack 2 necessary?

[Deme8400]

have vista 32-bit computer with service pack 1 do i have to upgrade to sp2? only a home computer w/home premium not a business of any kind. thx

 

[kimsland]

Better hardware support
Security updates and patches
Software updates
Overall improvements to Windows

Its all here: http://technet.microsoft.com/en-us/library/dd335036(WS.10).aspx