i think PENG will go to 50 satoshi soon, after seeing mintcoin going that high people will move onto penguincoin looking for the same
Mint got the Cryptsy bump.. If we get on Cryptsy we'd most likely see a huge rise in volume and price.  I'm pretty sure Mintcoin had about 200 btc volume before Cryptsy and now they're at 2,000 btc volume per day. Don't know if it Peng will ever be 50 satoshi, but you never know I guess! Personally, I'd be happy with 20 satoshi.
FWIW, Mintcoin's notice about doing 2000+ was tweeted a day or two before Cryptsy added MINT.
Of course, it is still possible that Cryptsy (or someone in the know) had pre-announced that MINT was about to be added.