Lost ABAPer in Netweaver world

Hi all,

Please tell me if CRM/SRM/SCM functional will be right choice for going *oversea* onsite and salarywise as i already know ABAP...so good chance of becomimng

Techno-funcional.So that my ABAP knowledge is utilised.

Please tell me if knowing ABAP only is sufficient to be technofunctional in Above modules or its manadatory to know BW/Dynpro etc also.

OR

Its better to move into BI/XI.

Thanks.