I don't intend to replicate the same argument here - I'm an Amigan by conviction - but the 'what does it do' argument is pretty fair. We don't have the software yet. The release of the A1/OS4 is only the first step. The next battle will be to get software companies used to massive sales to port leading software to the new patform. Good development on the OS and H/W is one thing but there will need to be a solid developer program with some aggressive marketing (to developers) if we're going to see a good take up in the early period after the retail units are available.
Please don't get me wrong - there's plenty of promising titles available for AmigaOS but many of them will require major updates to take advantage of the new system and the resources to do this are gonna be tough to come by. I'm not gonna rain on AInc./Hyperion/Eyetech's colective parade but there's a long way still to go.
I for one am looking forward to watching it unfold