I found a workaround for my hidden line problem.
In sketchup you have to set the style to wireframe. It doesn't seem to work if you use xray mode or backedges, but if you select wireframe then hidden lines appear. Not ideal, but workable.
Well I should hope you were contacted immediately. You've already paid for the software. I'm actually very annoyed with a bunch of things I've stumbled upon lately.
In layout if you have multiple items on different layers, then you group them. It loses all information about what layers they were on. Now there on the layer you had selected when you grouped it. Now all the other info is gone. There really should be an outliner for layout. Trying to work with complicated drawings is a nightmare and I'll probably never try to do large detailed construction drawings with it again. Also it's alignment tools are very wierd, I never know which elements it's going to use as the anchor point, and at times it doesn't even align properly. I also find the inference snapping almost useless.
There's a bunch of gripes I have, but if you think I'm going to pay more money to help a large company find bugs that should be found before releasing products, think again. If they don't fix these problems prior to the next pay release I defintely will be switching to something else.