I feel the same way I do about Adi Granov that I do about Simone Bianchi. As a cover/pin-up artist, they're unbeatable, but their interiors always leave me wanting more. On the flip side, someone like Renato Guedes who has a very similar style, I don't know what it is, but he puts a lot of life into his work where I think Granov and Bianchi are very... stiff.
Personally, I think Bianchi was fine before he hit the "big-time". His work on Shining Knight for DC was excellent, but then once Marvel scooped him up and threw the "Young Guns" label on him, his art lost some undefinable quality that made him a top-tier artist in the first place.