I see the eisbecher 150/250mm. Considering there's a few other tops that work ok with it (listed below) what's (generally going to be) my cheapest option for a res-top for it? There's plenty of cheap reservoirs if not and... I'm not generally one to give a fig about looks so.. that's completely possible. Just trying to work out my options. Got offers of a 6 month old Ek D5 for £40 or the VPP755 for £35 new. Choice, choices Compatible Pump Tops for VPP755 pump. Alphacool Eisdecke D5 Top – wet test pass, pump vertical and horizontal. Barrow D5 Top – wet test pass, pump vertical. Bitspower D5 Mod Top V2 – wet test pass, pump horizontal. Bitspower D5 Mod Top “S” Model – wet test pass, pump vertical. EK-XTOP Revo D5 – wet test pass, pump vertical.