use a launcher that offers hiding apps from the app drawer. there are many app replacements like ics/jb keyboards. there are many sms/mms apps as well as dialers. so long as you set them to be the defaults when stuff happens you can forget ever having the lg ui. you can even change the status bar
List of apps to customize what
Status bar:
Super Status Bar
Dialer:
exDialer with this
theme
Messaging:
Go SMS Pro is a great product, as is
Handcent
there are plenty of options i just wanted to merely list a few to show you you dont have to have a stock look, even without root