The Commuter Series Case from Otterbox for the Samsung Galaxy S II phone offers good protection, without adding a lot of additional weight or making it too bulky. The product is composed from two layers, one silicone and the other one a high quality polycarbonate. Otterbox also includes inside the package a protective screen, along with the usual soft wipe and squeegee."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips