This one isn't the steam machine, here's the add from dell: https://www.theblackfriday.com/dell-blackfriday.shtml?page=7
Also looks like Amazon has it right now for $438: https://www.amazon.com/Alienware-ASM100-1580-i3-4130T-Discontinued-Manufacturer/dp/B00MA7AMKY/ref=pd_sim_sbs_147_1?_encoding=UTF8&psc=1&refRID=G8J84HBBB5PGXWPW590A
If you are ordering the base alpha, you can get it here for $399.99
The upgrade from Windows 8.1 to 10 isn't so bad.