>>It isn't obvious ot intuitive. If this button's used to login or register than it should say so.
>
>That's what it says with the red text or with the tooltip/status message. Or, you're probably make reference to the image itself. We'll try to enhance it to better represent it.

I didn't even think to look for tooltips for such big button. :)
IMO, you rely to much on tooltips in UT design. Tooltips should help to explain button function. The button image should speak for itself.