My dad is a fan. We bought them for his birthday this year and he loves them, despite making the bike weigh more than 50lbs once all was said and done (but the bike itself was quite substantial before we added the baskets being an older department store type bike). He's used them a few times now and loves having them!
We didn't really need to modify any of the mounting stuff, we just attached them with the pieces that came with it. And the noise really isn't all that bad, though I do plan on putting some rubber tubing over the rear supports as that's the only place you get a slight rattle.