What are the prerequisites for learning SAP HANA


I am ABAP programmer and heard a lot about SAP Hana. SAP HANA is every where.

I searched many forums/blogs but could not a straight answer to this question.

Some where it starts with SAP BI on HANA..etc etc..

Please help me with this question :--

1. What are the skills I need to pick up if I want to start working on HANA.

2. Will my ABAP Skills help me in HANA.

I do search the forums....