I bought tickets for JAL, NW (Delta), Korean Air, etc. They carry pretty much all major airlines that fly to Japan. Out of all, I LOVE flying with JAL. Their service is second to none. Korean was good too.
I had submitted a request for availability on the website, but should've realized that the offices were closed for the long holiday weekend. By the time I realized that I should've called instead, the $780 rate was sold out. They did have availability for $999 at a Toyoko Inn in Nihonbachi, but we decided not to book this at the higher rate. I'll start watching for deals from IACE though - thanks for the tip!