... then the original white PC Engine is the best simply because it's just so damn cool.
Yup, I have to clean mine up, but it is kool. Plus, I use it with a SuperCD, so there's no fuss about RF.
Unfortunately, you don't get to appreciate the full glory of the white PCE when it is docked, but there's something to admire about the (awkward) SuperCD + PCE combination.