Your data's off on the B-52. The current B-52 (its been upgraded many many times) allows for a weapon bomb load of 70,000+ (i believe the figures are off, they were recently upgraded and can carry more then the b-2). The B1-B carries 75,000 internally, 59,000 externally, but since it is usually used as a supersonic heavy bomber its doubtful they carry the external bomb load often. B-2 carries 78,000 internally. There's a huge cost difference, and the b-52 is by far cheaper. The problem is the B-2 costs 2.5 billion each, and there are only 20 of them. There are hundreds of B-52's. Also your chart is screwy, JDAM is a system not a bomb, JDAM can be equiped to any gravity bomb. So you may want to include in that chart the wieght of the bomb the JDAM is atached to.

And comparing the B-1 to the F-22, F-117, JSF has got to be a joke, right?
FAS also mentions a price of "$200-plus million per aircraft" which says plus, but isn´t really close to 2 billion
The F-22's payload is enormous if it caries the bombs externally. Its also 1/10th of the price, and flys far far faster. The JSF is even cheaper and has a pretty large payload. The B-2 can carry far more but loosing one is like loosing a nimitz carrier. Except instead of screaming there goes Lincoln, its there goes Wisonsin.