How come you kept this under wraps and never shared it here before?
Looking really good and I think it's safe to assume the man-hours spent in Alyx SDK is nearing the ones of Source/CSGO.
Going though some of the lovely screenshots, it seems like you're giving a fat middle finger to Source for all those past years where it hindered your creativity, and narrowed the scope of your projects due to its archaic limitations.
Told you couple of years ago to ditch Source and you'll never look back