iPhone 6 design, release window tipped by Spigen

If the ongoing spat of iPhone 6 rumors wasn't enough to tip you off to the design, this may do it. Case maker Spigen, who have an excellent track record of leaking designs early, have a slew of iPhone 6 cases available for pre-order. The cases also show off an iPhone 6 mock-up, hinting that all the rumors we've heard …