Small Business Suite upgrade protection

I just got my maintenance for my old SBS 6.6, which apparently gives me 
an "upgrade" to the new OWS Small Business Edition.  I thought I was 
going to have OES2, but apparently it's SLES.  Hopefully I will be able 
to get the new GroupWise when it appears, because otherwise I seem to 
have just sent off a bunch of money for nothing.

The following is quoted from the overview:
"Novell Open Workgroup Suite Small Business Edition ships with SUSE 
Linux Enterprise Server 9 already included. And when you purchase 
maintenance, you’ll be automatically upgraded to SUSE Linux Enterprise 
Server 10, which features several important enhancements, including 
virtualization and Dynamic Storage Technology."


So, after I download a 4GB DVD ISO,  and install, it will have me 
download a 4 GB upgrade?  And then after that's installed, I'll get the 
usual ~1GB of patches?  Or is that now easier than before?  Hoping that 
there's some documentation on the initial DVD (should have it in just a