From: San Diego, California
I haven't heard from him off-forum, no.
Hoping he's doing well, but I can utterly empathise with him.
As some of you know, but the newcomers may not, Shaun has a full-time job beyond PureSim, a stressful one which can go well over forty hours in a week. Add to that raising a family, and I'm already amazed he has as much time as he has had to develop PureSim these past five years!
I'm sure if something serious has come up either for him or a member of his family, and considering we're off-season, PureSim is the thing he'd "drop"; I'm also certain he'll be back.
I'd say "Who knows, maybe he just has his head down working on '08" with a wink-smiley, but I know Shaun too well to think he'd have done without releasing the final official release patch for '07.
Shaun, our love and best wishes for you and yours - I hope things turn out well.