True, I could resize the modal to be a lot larger, but it hasn't been a big issue so far. I do like it in a modal because it allows me to enable/disable the Save button depending on if things change (although this doesn't work now that I've switched to Redactor since they don't support figuring out that info yet... feature request has been submitted). All of my UX does editing of form fields in a modal, for consistency, it is nice to keep things the same.