welcome to AA. you found a great place. the good people here have taught me alot of what ii know about reef keeping. listen closely to everyones advice . it can really help you make choices in the future
reef ready refers to the built in overflow box and the tank being pre drilled to accomodate a sump below the tank. these holes are used for a drain and a return line. you dont need to use a sump but it really helps build a healthy reef enviroment and a cleaner look. you can hide heaters and other items in the sump
steve r