If it's a significant amount of BTC, someone on the forums might be willing to help you find the passphrase, for probably half of it. If the alternative is abandoning the coins forever, I bet there's some folks who might consider helping. BUT
this is only feasible if you have a significant recollection of what the passphrase might be. If you know how many characters it is, but simply forgot a few letters, capitalization, punctuation, etc, it might be doable. But having to do a "blind" search just isn't feasible. The reason it's hashed 25,000 times, is so that an attacker trying to do the same thing will be 25,000 times slower than if they used single-hashing (that's an oversimplification, but you get the point).
So, if you tell us how much BTC is behind this wallet, and how far off you think you are from the password, you might get someone's attention and negotiate an agreement. Similarly, you could post all the details here, and leave it as an open challenge. Even if it's not "worth it" now, a future price spike in the BTC market might cause some folks (like myself) to revisit this thread later
EDIT: actually, that's a gamble... there's no guarantee they even give you back your half. But again, if the alternative is losing them forever, anyway...