Originally Posted by MJLouise

Delta has a 50% bonus on transferring AmEx MR points, so you can get a biz class for 80K MR points (120K Delta miles).

http://thepointsguy.com/2011/07/whic...ways-or-delta/



You have to be super flexible to do this though because Delta has a reputation for not much availability at the lowest mileage tiers.