New versions/updates

Dear friends,

Present iam working on SAP SD R/3 4.7 version..i want to upgrade myself in order to cope up with the SAP market..what r the avavilble new versions of SAP & what r the other avavilable courses i need to learn (for eg. CRM/BI/BW etc) in order to meet the present as well as future requirements....

pls guide me in this regard.

Points assured

regards

Krishna.C