The Cell MTX-2 with SHIMANO LX gears and adjustable suspension fork represent the best value mountain bike for under $500.
Put another name on it, and buy this same bike from another bike shop and it'll easily cost you $800 or more!
Made for tough city commuting, hard packed single track, and all-around general riding.
This bike can take on gutters, stairs, and get you from point A to point B.