<div>Ok i got it stabilized at about 75mbit and loads of 2-6</div>
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<div>im gonna have got to plan B get several more servers and put them on internal lan run the php-cgi on them and connect to them using nginx since it connects over a socket (this should work easily right? im gonna setup a test setup and test this feature properly)</div>
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<div>this way i be able to make most of the available and paid for bandwdith</div>
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<div>the extra checks added by the php layer are creating more load im not blaming nginx here, it is perfroming exceptionally, maybe my expectations were too high, the old lighttpd setup didnt touch php at all, but it didnt have much in way of functionality such as custom logging, download speed control, authentication etc that are now possible thanks to nginx's resumable X-Accel-redirect feature</div>
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<div>thanks everyone for the help</div>