if your still looking for something then try
sms pop up
its in the market and its free i believe the developer is adam k
it will make it when you receive a sms,mms for your screen to turn on and display your message in a notification bubble almost like the iphone's
it does more as well just play with the settings and this way you dont have to install any third party sms apps .
https://market.android.com/details?i...5zbXNwb3B1cCJd