I'm using a really stable and featured SMS app (seen in screenshots) called Messaging 7. The best part about it is that it does SMS and also WP style notification popups as well, even within other apps.
Originally Posted by Marty_LK
I tried a WP styled app called Z Player for music but it had a lot of problems on my phone, the widgets lagged a lot, and it had no lockscreen option built into it so I use Poweramp instead, which you can skin to resemble WP player. I'm going to try EX Dialer now, thanks for the tip