Difference between DTS & SSIS

DTS	SSIS
SQL Server 7.0 introduces available on 2000 onwards	SQL Server 2005 onwards its available
Designed for ETS (Extract Transform Sources)	Designed for ETL (Extract Transform Load)
It Consists of Single Window for all operations. It has data transformations like work flow etc	It Consists of multiple windows for multiple operations. It has ControlFlow,Data Flow, Event Handler, Package Explorer.
Data transformations available.	Dataflow task introduced and all transformations are embedded.
Message boxes displayed in Active-X Script.	Message boxes displayed in Script task.
Less Transformations	More Transformations
Partial BI Support	Full BI Support
No Deployment Wizard	Deployment wizards are introduced.
No DSV(Data source view) , No Connection manger, No Event handlers, No looping through folders & files	Introduced in SSIS
Saved in Enterprise manager(SQL Server) & File system (Structured storage file)	Saved in local file system, deployed in SQL Server.
DTS Package looks like as follows	SSIS Package looks like as follows