Got this wonderful case, adding extra weight for my SGS2 and feel great to hold.
Very cheap can get on ebay just afew bucks...
Samsung Galaxy S2 with Black TPU (Thermoplastic Polyurethane) cover case.
# Easy to insert and remove.
# Protect your phone from strike, scratches, dust, shocks.
# Keep your cell phone safe and protected in style with this soft case.
# Provides easy access to all functions without removing the case.
# Perfect Fit and hold nicely in hand.
# Durable and cheap.