If you go for M sport you may want to switch colours though - TiAg in M Sport doesn't look as good as other colours like black, CB IMO. dnw probably has a point on resale but you can't know for sure as this is a new model and resale after 2-3 years won't be known for at least another year. Some options are worth a lot more than others like sat nav. All down to what people want the most
If you want to see the 307 18s on a TS for comparison, these are my winter wheels:
