We highly recommend Frey Cages.
All their cages feature a large access door, 3 swing-out crock holder doors, adjustable cage top playpen with crock holders, 2 easy clean trays, pull out grate, easy roll casters and square tube construction. Each cage and stand features natural Manzanita perches. Several powder coated finishes to choose from. Flat black paint also available at a reduced cost.