offc u sell doran's blade when u need to sell it ;P but if u get feeded in start I always go for this build becouse whit full build u hit ca. 700-1000 if u crit and crit/s on 80% and attackspeed on 2.006 or somthing like that. no one gonne take u down. when i have the full build i normaly winn 2vs1!
but if ur have nothing to use money on after thet (one game i had 15k when game was overe xD)
then u can try to sell ur boots and by one more bloodthirster(1000-1500 dmg) or maybe a blackcleaver if u "need" more dmg or some def/life I use to sell boots if i have much money and by guardian angle or warmog becouse u have 2 phantom dancers u go fast whit out boots too ;)
try it! i know it's many feils in the tekst but please ignore it ;D and like or dislike!
Have Fun :)
-iG_JaLz