Technology Preview SAP NetWeaver 7.0 - Application Server on Linux

Can i practice sap XI in

Technology Preview SAP NetWeaver 7.0 - Application Server on Linux

or

Technology Preview SAP NetWeaver 2004 - SAP Web Application Server on Linux

as It includes both ABAP and Java Stacks running on SAP's own database Max DB version 7.5 or IBM DB2 Universal Database for Linux version 8.2.

is there any extra components need to work for XI.

i am new to sap XI.

please send me details.

if this software is not useful for XI where can i download that software or purchase that software.