I love seared tuna! Suprisingly, Outback has the best seared tuna. It's one of their appetizer dishes. Superior Steakhouse appetizer seared tuna is good too! Very similar. Tokyo's is pretty good, but you have to really like seared tuna because it's not seasoned at all and doesn't have any sauces except of course soy sauce.
However I won't be eating any for about a year :/ but in turn I'm blessed with a BABY-on-the-way!!
Would have given it up any day!!!