$10 Metroid Prime Trilogy, anybody buying who own the separate GCN and Wii games? Differences?

[Goodnightmoon]

I have 1 and 3, and i downloaded trilogy yesterday. Having a big blast, 3 metroid prime games for 9.99? I almost feel like i´m stealing Nintendo XD

Now I can play Echoes for the first time, but even if i had the 3 of them i would downloaded trilogy anyway, is very cool have it on WiiU.