If you want games with good replay value get MKW, Brawl or The Conduit.
The lack of online play in most of the Wii games makes it hard to recommend anything else.
Accf Its The Best game
No.
Sonic Colors by a long shot. B-)
Sky Rail has been released: http://youtu.be/QFvbNFgsIGY
Check out my orchestration of New Leaf's 8PM: https://soundcloud.com/sonichyuga/an...ing-new-leaf-8