Okay, it's not really a hack it just sounded better. I don't know why I didn't think of this at first, but I figured out a way to get around Verizons SMS length restriction.
Instead of composing your messages as SMS, do it as an MMS. You can type as much as you want.
I'm not to sure about that cause your not really sending data, but you really are...hmmm. Well, I have the unlimited package so I won't be able to answer that for you. If they don't well, cheerios for us!
We have to let this evolve a little more before certain questions can be answered I guess.