Super Street Fighter IV: Arcade Edition will be offered to US PlayStation Plus subscribers at no extra cost as of tomorrow's US PS Store update. Tuesday's new PSN content will add the Capcom fighter to the Instant Game Collection - a small library of periodically transitioned games offered to PS Plus subs as part of their subscription package.Physics-based platform-puzzle game, Rochard, will also be added to the Instant Game Collection tomorrow. Rochard was originally released via digital platforms in September 2011 to largely positive reviews.