New to Webdynpro for ABAP

Hi Experts,

I am working in Webdynpro Java and Portal Administration for the past three years.

I am very much interested in learning Webdynpro ABAP.

Please let me know what are the skills (in ABAP language especially) i need to know for working in

Webdynpro ABAP. What are the scopes in the coming days for Webdynpro ABAP.

Thanks a lot.