I'll second FanFictionDownloader -- it's what I use and at least as of last weekend was unbothered by any FFN chicanery. In addition to Adblock, I also suggest NoScript -- it's very hard to disable features on a site if you don't let it run any scripts.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.