There are two view filter types - Author Is A Buddy Of Username and Author Is A Buddy Of Current User. It would be usefull to have another one - Author Is A Selected Buddy Of Current User = one of my buddies (for example an exposed filter as selection of my buddies). Is it posible in a view system? (Sometimes would be also useful Author Is A Selected Current user or Buddy Of Current User = one of me and my buddies).