I would like to see the ability to have multiple racks on the same page. For example, have number of racks and then it splits and has rack one, rack two, etc. It would be nice to be able to layout a large multi-rack system on a single page.

That will not come very soon but there is a nice workaround already:
you can open two racks in different browser windows and you can copy and paste modules between the browser windows with c, x and v keyboard shortcuts.

an easy, duct-tape hack for you within the site architecture then would be to iframe this for us, two columns side by side