Currently i am using MSSQL 2005 in which i have given the permission to the different database users..

Now I wanted to install MSSQL 2008... doubt is here that if i restore a databases in MSSQL 2008 then can i use the permission which i set previouse in MSSQL 2005 version??????

or do i need to set the permission again???

Which is the good service pack in MSSQL 2008????