It’s been a while since we’ve heard anything about the much-rumored BlackBerry Curve 8520, codenamed Gemini, but there’s no question that when it rains it pours. We showed you what now appears to be an early prototype back in March and gave you some preliminary specs, but it looks like quite a few things have changed since that image was snapped. Namely, it got itself an optical trackball. CrackBerry got a hold of some new shots and this little guy could definitely be shaping up to give 8900 owners a healthy dose of buyer’s remorse. Beyond what we’ve already reported — and the optical ball of course — the Curve 8520 is going to hit the streets with dedicated media buttons, Curve branding and a rubberized finish surrounding the metal battery cover. It will indeed lack 3G as we reported but maybe the allure of an optical trackball is enough to compensate. Hit the jump for a few more shots.