Since I am both curious and fearless, I downloaded the trial (with plenty of invitations to install incredibly useful other products) and tried one of the "example projects".
Result: Various obscure error messages à la "compiler is absent" (on holidays?), "no resources" etc; overall, it looks like a caricature of the well-known VS bullsh*t.
It needs Masm32, by the way - if one our members uses GSS and
is courageous enough to admit it, please show up and tell us about your experience. The web is full of GSS download locations, but I couldn't find any user experience yet, so please, if there is a user out there, share your experience with us