They are indeed very good clubs. But as with all such goods it is a personal preference.
Cobra isn't one of the premium golf brands, but it is a very very good make. Their clubs are popular with high handicap golfers and seniors.
nope
Do you mean MD golf clubs? MD golf clubs are a decent brand, but they are not the best on the market by any means. They are an ideal set for beginners and represent great value.
Don't think they make any.