Has anyone experience with
http://www.amazon.co.uk/StarTech-com-Drive-Trayless-Mobile-Backplane/dp/B000NMAZUK/ref=pd_sim_sbs_147_3?ie=UTF8&refRID=1F4BGY7G6D5TSJWEEF42&dpID=41yOHYEupTL&dpSrc=sims&preST=_AC_UL160_SR160%2C160_
Drive bays and 9 5.25" bays are hard to find 3-4 bays normally the only stuff left in England is cheap