Primecoin showed Sunny's tech abilities to create innovative coins while also proving a great advertisement for Peercoins.
https://bitcointalk.org/index.php?topic=245953.0Also, Bitcoin is falling in price and Peercoin is simply holding it's value vs. Bitcoin. It's actually only up 300-600k in terms of market cap, a huge boost but not +100%.
http://coinmarketcap.com/Peercoin is just a great coin, about time people started looking into it again.