WARNING: One unit has been found to have been dangerously mis-wired:
http://www.eevblog.com/forum/general-chat/deadly-wiring-fault-atten-858d-hot-air-rework-station/

Dave reviews one of the cheapest hot air rework stations on the market, the Atten Instruments AT858D+ how does it stack up?
Also known as the Saike 858D+
Looks like it's designed for the Asian market only?
http://www.atten.com.cn/search.aspx?pageIndex=1&searchType=keywords&filter=858d