According to Mary Jo Foley Microsoft intends to release the developer preview of windows Threshold either late September or early October:
Read the full blog here:
http://www.zdnet.com/microsoft-to-deliver-windows-threshold-tech-preview-around-late-september-7000032668/
Edit:
If your...
charms bar
cortana
desktop
developer preview
features
metro-style
microsoft
non-touchdevices
october
release
september
start menu
tech preview
threshold
usability
virtual desktops
windows 8
windows 9
