I have had decent success with brother's trucks since they got bought out by Holley last year.
www.brotherstrucks.comIf you want aftermarket parts/upgrades, speedway motors has a nice selection and generally good prices.
www.speedwaymotors.comWhat direction are you wanting to go with it? All original? Minor upgrades (T5, disk brakes, etc)? Full restomod with coilovers and an LS?
All of the above are completely valid, but we might be able to point you to some better resources with some idea of what your notional plans are.