Also just looking on Metacritic aggregates I feel Wii U remains in a weaker position than GC.
GC, US 2001-2003
21 games rated 90+
78 games rated 80+
Wii U, US 2012-2014, including eShop
4 games rated 90+
36 games rated 80+
Wii U, US 2012-2014, excluding eShop
3 games rated 90+
25 games rated 80+
Wii U will get a few more before the end of the year. Indie/eShop or not matters, because they're lower budget and don't impact sales equally & Joe public doesn't see them as well as games on shelves.