I own this program, and have been using it for a while
I bought it after trying every free methed i could find and finding them all tedious annoying and crappy.
I feel this one is the best and im glad i got it, it saved me tons of time
Yes, its not perfect as ST3ve said, but the things he mentioned always give you a choice as whether to keep what it suggests or not, so it never just screws things up without asking.
I have nearly 500 albums, many of them kind of obscure, and in the end i think it only had real issues with like 2 or 3...
I definatley would recommend it.
However... crap i just noticed that you said youre not using itunes... here is what i did in that regard ( i also use foobar )
I ran tuneup until i was satisfied with everything
then, i went through itunes and made sure everything was categorized the way i like it - for example, sometimes tagging involves taking a single album, and giving it all kinds of different artist names, which then makes it a pain in my ass when i go to sort it, so in those cases i modded things to make it clean and neat and easily identifiable by artist and album
Then, i backed up my entire collection just in case, and I turned on the itunes function that sorts your collection automatically based on the itunes tags.
once i was sure it didnt completely destroy my folder structure, i set foobar to sort by folder structure
I did this because i could then divide my music into as many categories (genre or otherwise) as i wanted, by simply lumping them into folders (whic is also easily undoable if you change your mind later) and i would have a neat collection...
sounds like a lot of work, but isnt that bad when you use tuneup first