Woot has a 2000 watt inverter style generator for $450 + $5 shipping. Amazon is selling the same thing for over 600.
http://tools.woot.com/offers/duracell-portable-inverter-generator?utm_source=Daily+Digest&utm_campaign=881e14143f-Daily+Digest+-+20130414+-+Woot&utm_medium=email#tracked
http://tools.woot.com/offers/duracell-portable-inverter-generator?utm_source=Daily+Digest&utm_campaign=881e14143f-Daily+Digest+-+20130414+-+Woot&utm_medium=email#tracked