I think this was touched on in idea 202 with regard to Journal Entries, but it relates to all pop-up windows, because this also impacts vendor records and invoices as well. While you have the ability to resize a column it comes at the expense of being able to see other information on the same line at the same time. It would be more efficient and very helpful to be able to see all of the information at the same time.
Sorry, it was #1689 not 202....