I downloaded the 2016.02.21 this morning and used USBWriter to load it onto a usb stick. Installed 3 times so far, twice with KDE as the DE and the third time with Gnome as the DE. Each time it boots up the DM, I click on the clock and it attempts to load up the DE but all I get is a black screen with the cursor showing. Cursor moves, but nothing of the DE loads up.
Installing on a Lenovo T61, Intel Core 2 Duo 2.10 Ghz, 2GB RAM. Nvidia NVS 140M with 128 dedicated VRAM. Did not select to install the proprietary Nvidia drivers during install. This laptop up until this morning was running Arch with KDE 5 but recent updates caused some bugs to appear, so opted for a fresh install and to give Antergos a try.