Stick with these Staunton pieces, sized for a standard tournament roll- up board, but freakishly heavy, the king weighs a quarter of a pound by itself! Whole set weighs 4 1/2 pounds, everyone will envy you.
http://www.wholesalechess.com/chess/Super+Staunton+Collector+Chess+Pieces+4inch
I'm getting them for Xmas.
Theme sets suck, they're unusable.