Advertised in the March edition of Astronomy Magazine
Nexstar + HC with USB
Longer dovetail
Added autoguider and Aux ports on the Dec axis
Large 144mm worm wheels for heavier loads and better RA tracking
HD Stainless CW Shaft
2.75" Tripod legs
Larger accessory tray
75lb capacity
New Plane Wave Instruments Telescope control software.
Link to Celestron CGX-L
http://www.celestron.com/browse-shop...unt-and-tripod
Cheers Keith