What specifically are you looking for? Rimless? Drilled? Dimensions? Your best and most economical choice would be to by from an LFS instead of paying to ship.
definitely looking to build an acrylic tank with no center supports, making it a cube of 34x34x26-30 (havent decided how deep i want it).. but im making it have a center overflow and doing a pyramid aquascape... thats already running me almost 600 for just the tank itself