While many great puzzle games have a fixed number of levels, I'd like to find more with procedurally-generated levels to maximize replay value. Aside from Minesweeper games, so far I've found the following ones:
While Minesweeper's a great example, since random levels are a feature of nearly every Minesweeper iteration in existence, I mentioned in my post that I was excluding such games from the list. For those looking for such a game though, Globesweeper and Tilesweeper are great options.
Oh crap, egg on my face. Too eager to make the joke I just skimmed the list you posted and went tee hee. Shoulda coulda read the rest of the post too, sorry.