In the year prior to going out of business, Tasco sold a line of scopes know as "StarGuide". These scopes were designed by Celestron and are virtually the same as the NexStar 60/80/114/4 scopes.
The major differences are:
You may purchase the user upgradeable hand control from Celestron and gain several new features as well as improved tracking. Basic info on the new hand control is here.