for my wc i paid about $35-40 for a 5", but that didn't include shipping. for my cb i paid about $20 for a "5" incher... but shipping brought it up to about $35. if the poly looks good, i'd grab it for $45.
my god.......u lucky ppl get them cheaper T_T over here in new zealand bottem of the world..every aquarium store sells them for $98 nzd each...ur be lucky to get one for $80 ...