I don't know if Mos1.5 will come in a few weeks or months, but i know there are problemes whith david gerber's softwares. It seems to be possible to have the tcp/ip stack but it's not confirmed. Any new release should be in accord whith Lair as i know but it seems that Ambient is changing very well in oder to be ready fot an eventual release of Mos1.5 (whith Mui4)