Malanichev squats with the technique Rippetoe teaches
Meh, I don't even know..
But high bar is different to low bar.. Pushing your arse back won't keep your torso upright at all?? Doesn't rip only refer to low bar when doing tutorials?
on topic, read this http://startingstrength.com/resources/forum/showthread.php?t=39870
Interesting. Cheers