I also wanted to add, that while there weren't many more noteworthy features to announce at the time of his original post, we can now include the following, already done:

- BIP38 Encryption / Decryption for all coins
- 8 different variations of wallet including circular, credit-card sized, and coin-shaped
- Over 250 backgrounds
- Color shift, allows you to change the color of any background to whatever you want (Chrome only)

Coming Soon:

- Vanity address creation
- Split-key addresses (addresses requiring 2 private keys to spend)
- More: Vote for which features you want to see the most- http://cryptopapers.com/feedback/