I think that if you can drop-in replace the posts, then yes. If not then maybe not. It depends whether the cost of repair would be greater than the cost of mark-down due to damage. If thats replacing the posts, then you probably should, if thats drilling out for new posts (assuming the trem still fits on the wider ones, which is questionable), then even if you have to pay for the work your probably looking at ~40 quid inc posts, and it should still be fine, if youre looking at a new trem to get it all in good order, then probably not.
I find it unlikely that you cant get suitable posts from allparts or similar. You should be able to sell it at a realistic price for 10 or 20 quids investment of parts.