yeah ive looked at those but cant find anyware that sell em, so i came up with another idea, if i use an akasa blue led 120mm fan with the bottom cableA random name said:SilenX do a blue LED fan which apparantly silent.
http://www.overclockers.co.uk/acatalog/Online_Catalogue_Other_Cables_153.html
and an akasa fan control which i already have would it mean that the fan would run on 5v with it on the lowest speed and 10v on max