Iwill for server? need advice :-)

Hello! I'm going to buy Iwill DK8S2 based system (2 processors, 8Gb of RAM) with LSI Megaraid 320-2x. And I'm going to install SLES8/AMD64 on it. Are there any known problems with such system? btw, will SLES9 be available for SLES8 customers as free upgrade?