Apparently SNSD has released a "Best Selection Non Stop Mix" album, with 20(+intro) SNSD songs remixed by m- flo‘s Taku Takahashi. Not even going to pretend to know who that is D: Anyhow, here's a link to a playlist with all the songs.
Google is going apeshit on allkpop.com, saying that it's not a safe site. Guessing it's just some ad that got blacklisted or something, but I won't risk going there on a work computer. Saw some article about Yoona riiight before that warning hit ;_;