I collect all "makers" of glass ornaments.....but I do not have them displayed all year round. I have some for each holiday....of course, the Christmas ones are on the trees and garlands and on stand. The other holidays, those go on the wooden/brass stands.
A lot of my little ones, I get those big glass hurricanes and other glass containers (all sizes and shapes), mix the ornaments and display them - either by color combinations, sizes, etc.
That is always a really classy/elegant look for tables, end tables, mantle, etc.
I believe Martha Stewart had a segment once on using glass vases, etc. for displaying ornaments....