To be able to reply to sms through the manila interface you can look at this post:
http://forum.xda-developers.com/show...ostcount=10954
Worked for me. Keep in mind that there is not enough memory to install all this cabs, so what I did was remove widgets and wifi monster under program files and uninstalled google maps.
You can also look at this post for more fixes:
http://forum.xda-developers.com/showthread.php?t=580293&postcount=2