Thats the first time I have ever heard someone say the xb8 was easier to drive, I had the opposite experience, thought the xb8 was very twitchy for my style but obviously theres a million different setups and I think the reality is with enough trial and error or just pure luck you can find a setup on any kit that will work for you. What setup options does the xb8 have that the nb48 does not, I dont remember anything major but I only drove the xb8 for a weekend.