Gorgeous, you will love it!
Also, 4 seat roadsters are rare....
Cream seats and denim are not always a problem, you just need to be prepared to clean and re-finish the seats often, which is actually good for the leather!
Caroline's C43 has "Porcelain" leather (=off white) and the amount of dye transfer seems to vary massively with the source of the jeans. Crudely, the more you paid for the jeans, the less likely they are to leak colour....