Another vote for the Sun Downer. Deeper rider bucket, more back support and a wider pillion for the passenger. Plus, it's designed to look like the stock seat with the basket weave pattern and RKC emblem.
If you order from a dealer that gives a discount, it should cost you around $275.
FORGET WHAT THE OTHERS SAY..............MUSTANG IS THE ONLY WAY TO GO! BELIEVE ME I'VE TRIED THEM ALL............GO WITH THE MUSTANG YOU WILL BE HAPPY AND SO WILL YOUR LADY!