Re: [OPEN IN-STOCK] batch #32/31 .035 btc @50 USBs + 49-port hub. 1.1 btc /Blade
have been hashing away with 70 erupters using this genssi s-200-5 and for $30 on ebay is unbeatable 
Using this PSU as well with 56 block erupters, going strong for over a month.