SSRS 2005 has many improvements over SSRS 2000. Specifically in the following four areas

1.      Core Product Improvements

a.      Direct Client Printing

b.      End user Sort

c.       Multi valued parameters

d.      Custom Report Items

2.      Integration

a.      Analysis services Query Designer

b.      SQL server management studio integration

c.       SharePoint reporting web part


3.      Developer experience

a.      Visual Studio integration

b.      Report viewer controls


4.      Report builder and Model designer