747b0392__5_1___Postgres_OnLine_Journal__Microsoft_SQL_Server_2008
[Feature] ACID compliance - do I dear say this is sometimes over-rated - not all data is created equal and sometimes bulk-insert speed is more important than ACID [MySQL 5.1] Some storage engines e.g. InnoDB, PBXT (see comments from Giuseppe Maxia) and (not MyISAM) [PostgreSQL 8.4] Yes [Microsoft SQL Server 2008] 
Yes
Cross Compare of PostgreSQL 8.4, SQL Server 2008, MySQL 5.1 - Postgres OnLine Journal
Microsoft SQL Server 2008