Most pony prices have gone back up from where they had dropped off to a few years ago. It may sound daft but the economy affected everything in the world including how much money people had to spare on luxuries like pony collecting
so I am sure thats part of the reason for the big flux.
Mimic - NM, no flaws like cuts or rust or marks or rubs - she is back to being super high again, in minty condition I would ask around the $120-140 mark
UK Milky Way - NM - $30
UK Gypsy - NM ^ - $25-28
Mountain Boy Lightening - NM ^- $70
Mountain Boy Fireball - NM ^ - $70
Flurry - NM ^see above (original pink hair) - $20-22
Tux - no cuts or rust or the like, but it looks like the orig owner tried to color a mustache on him in red which is slightly faded but noticeable - $8-10
Paws w/scarf - NM - $15
Countdown -NM - $10-12
Racer - NM - another one to have popped back up in value - $35-40
TAF Baby Dancing Butterflies - $90-100
Drummer w/scarf - $15
Waddles w/scarf - NM - $25-28
Baby Chuckie Cheese - NM - $10
Doodles and Noodles - NM - $12-14
Leaper - NM - $35-40
MIB G3 Snow'el (pegasus xmas) - 425
MIB Silver Rain - $16-18