Lightroom :: How To Import A Directory From The Harddrive

I like LR4, the best are the RGB curves :-)
 
But there are some little things which would make the handling a lot better:
 
1) Import Dialog
 
If I want to import a directory from the harddrive and I navigate to it using the dialog it will start scanning the whole drive including subfolders for images. That locks up the application so I can either wait for 15 minutes or use the task manager to close it.
 
I found no way to enable/disable the setting "include subfolders" from case to case.
 
2) Import Dialog
 
The setting "handle JPEG with RAW" is burried in the general property dialog, but it should be part of the import dialog - logically.
 
3) Import Dialog
 
I would like to sort by file TYPE - this way I can easily select the RAWs only, and only pick the JPPE I really like.
 
4)  Library View
 
There are all sorts for X:Y and Y:X zoom setting, but no setting to view the images at a certain output size. How am I supposed to check images if they are ok to be printed ok at 10 x 16 '' for example if my images have a different size?
 
I dearly miss a possibilty to view at a certain dpi rate, or certain pixel width or inch or cm -  the pixel based 1:x zoom rates look a bit dated and not of practical use.
 
5) Automatic stacks
 
There is a function to create stacks by time, but not by filename. It would be so practical to stack RAW and JPEG if that would be possible.
 
6) Print Module
 
How can I select´the page size in the otherwise very useful print module?
 
Esspecially when I need to create JPEG - I want to set a desired size.