It's much better in my opinion, and you just apply the PEI sheet one time. It's thick and doesn't wear out. (You also don't need to use adhesives if you have it on the Mic6 plate.)
There's a small retraction on the Rev E machines when the actual printing starts....never got a chance to figure out a way around it - I just do a separate skirt - about 2 or 3 outlines, and it takes care of that issue.
Unfortunately, getting it leveled is a critical first step. Without that, it's kind of useless to try to adjust the gap - it's always gonna be hitting somewhere. If you have the Rev E, run through the QuickStart application again from the beginning to get it leveled and set the gap size. If it were ...