I didn't realize you would be keeping the Accord. In that case, go for a total toy.

MazdaSpeed Miata would be my pick over the S2000.
Lightning is another good choice if you want a truck.
RX-8 is another great one.

That covers the three "toy" genres to me.

Brad "Diva": 2004 Mazda 6s 5-door, Volcanic Red Rex: 1988 Mazda RX-7 Vert, Harbor Blue.