I highly recommend MRC brand transformers>>> http://www.modelrectifier.com/train-controls/dc-power-railpower.asp
They have a good resale value when you want to move up ---or--- once you move up, make a great test pack and/or accessory platform.
They have a good resale value when you want to move up ---or--- once you move up, make a great test pack and/or accessory platform.