DataIntegration market getting more crowded

Too many offerings..too many vendors..Small, Big, financial viability, Confused? With Open Source offerings in ETL, ELT, MDM, etc the market seems to have got crowded than ever before. Following are the vendor offerings out in the stiff market of data integration space.
Top picks out in the market -
1. Informatica
2. IBM DataStage
3. Ab Initio
4. Oracle
5. SAP Business Objects DataIntegrator
6. Microsoft SSIS

Top Challengers-
1. SAS/DataFlux
2. iWay Software
3. Talend
4. Syncsort
5. Pervasive Software
6. Pitney Bowes Insight

Competitive price vendors -
1. Informatica Cloud edition
2. expressor-software (pricing based on channels i.e. multiple processing)

Open Source vendors -
1. Talend
2. Apatar
3. Pentaho Kettle
4. SnapLogic

Cloud/SaaS Based vendors -
1. Informatica
2. SnapLogic
Both started by entrepreneur Gaurav Dhillon.

Top Pipeline Partitioning vendors -
1. IBM DataStage (process based)
2. Informatica (multi thread based)
3. expressor-software (hybrid based)

Top Message oriented/Real-time processing vendors -
1. IBM DataStage
2. Informatica

Best salesforce.com Integration vendors -
1. Informatica (both Cloud edition based and adaptor based support)
2. IBM DataStage (Adaptor/Pack based support)


Top ELT architecture based vendors -
1. Talend (excellent ELT based objects to drag and drop in the designer)
2. IBM DataStage (provides options to create tables before loading)

Disclaimer: The above are my personal opinions based on my observation and do not represent my employer's view in any way.