Ay, the Power V was Yamaha's first budget kit, which was succeeded by the Club Custom and Stage Custom.
I'd say just go with the 'standard' - REMO Coated Ambassador over a REMO Ambassador Snare Side/Evans G1 over a Evans Hazy 300 and tune the batter head down, with a medium tension on the snare side.
The worth is relative. What matters is the its worth to you.