Ray has great advice!
But a couple things to consider when considering a cue purchase:
Wrap? Wrapless? (linen or "sport" grips)
Joint? Maybe something common as 3/8x10 or Uni-loc...will be easier to locate new shafts for future expand-ability.
Tip diameter? 11.75mm? 12.5, 12.75mm, 13mm? This...