For all its (largely software-based) shortcomings, RIM’s BlackBerry PlayBook really isn’t that bad a tablet, even if RIM ended up losing a fair bit of money on some of them. This past weekend, a user named BusinessCat2000 posted a video (see above) of his PlayBook running a slew of iOS apps on the CrackBerry forums. Jaws dropped, legality was questioned, advice was thrown around, but the feat eventually turned out to be real.