It'll be nice to hear, but the only 5-nin version of Morning Musume I could ever really get excited about is the one that recorded Ai no Tane.
Seriously, for any later version of MoMusu to shrink down to that size just seemed too much like a "going out of business" move. I kind of saw the later 5-nin version as a bad-luck sign, and
didn't want them to release a single at the time, because that would have made the Big Shrinkdown a little too official. But that's in the past now, and it seems right to include the 5-nin TMS in the new Pucchi Best.
If madness made us strong, we would all be invincible.