When you look at SAP World, now a days everyone is talking about SAP HANA(including SAP). In this post I am going to give you all the links where you can find all the information about SAP HANA.
If you are interested to have some hands on, you can apply for SAP HANA test server access through SDN (now it's SCN).
SAP HANA Developer Access Beta program - get the best out of your test-drive!
The blow will page will give you all the information you need about SAP HANA.
DEVELOPER CENTER FOR SAP HANA
Happy Learning ... :)