Like the first issue, Flashpoint #2 has sold out at the distributor. A second printing is coming in July. (The second printing of Flashpoint #1 arrives this coming Wednesday.
Diamond has released their sales rankings for May. Flashpoint #1 was the #2 comic for the month by unites sold (behind Marvel’s Fear Itself), while The Flash #12 pulled in a respectable 15th place. Number estimates will no doubt be up soon.