Is there a reason why TAB browser switches to discrete GFX as soon as a encrypted rar is being opened? Decryption done by the GFX chip? If so, the app should switch back to integrated after extraction. Right now that happens only on app quit.

Reading Archive content takes like ages. As seen on the RealUI package: http://www.wowinterface.com/downloads/info16068-RealUI.html I am not quite sure if this should take that long

i7, 10.8.2, TAB 1.6