Re: If you have trained in both Aikikai and Iwama, please help me...
My suggestion would be to try to go to a seminar with Saito Hitohiro Sensei. He has several European seminars each year. You'll see and feel Iwama-style in the flesh. Also, if you are serious about this inquiry, it would be possible for you to go to Iwama and be uchideshi for a 10+ day period.