To tell you the truth, I don't really ever use the qwerty keyboard for texting. It IS very helpful while surfing the net though.
I mainly use the qwerty module when I'm out doing physical activities, or at work (I'm a welder...not the job for a sensitive phone). It is VERY useful for me because it doubles as a case. Then when I get home, I snap on the regular cover and I'm ready for a night out with my friends or whatever (ie showing off the new phone

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The module aside, I like the menu functions a lot better on the versa. They both run smooth, but the Versa is just....easier (My G/F has the Dare, so It's easy to compare)....that rhymed... not intentionally, haha. I love how the versa shifts between the main menu's instead of the Dare where you select a button. True, the Versa has a smaller screen, but I've managed just fine, and yes, the Dare has a "better" camera, but after using my G/F's camera, I don't think it's any better than my old EnV.
Other then that, I can't really think of anything else major at the moment. I'm sure other people will chime in. The downside is that the Versa is a new phone, and new phones usually have SOME glitches. I haven't had a problem yet, but some people have had freezing issues when receiving a text message. Then again, with a support group like this, you can't go wrong!