"Always dress up one level higher than your client." Quote from a KPMG
partner. Not sure whether this applies to you. But nice suite, tie and leather
shoes are always safe.
Depending on the formality of the dinner. It is good for you to check with a
etiquette consultant. Sometime it matters.
Usually each interviewer has 30 minutes to one hour. Don't spend all the time
on business issues. Prepare some good and interesting life issues to talk
about. I know one thing they are looking for is whether