Yeah, it looks like a gamecube graphics or a rehash of Mario kart Wii engine to me. Aleast the controls were improved from Wii Sports baseball...
end of core gaming days prediction:
E3 2006-The beginning of the end. Wii introduced
E3 2008- Armageddon. Wii motion plus introduced. Wii Music. Reggie says Animal crossing was a core game. Massive disappointment. many Wii core gamers selling their Wii.
E3 2010- Tape runs out
http://www.fivedoves.com/letters/march2009/ICG_Tape_runs_out.jpg