hey if you are in the west midlands area and need your wii chipping, he will chip it 4 you 4 u 4 £25 if you provide the chip check out his website 4 more details, he chipped mine and its been working 100% trust me he is decent and he also fits cyclowiz and wiid...
no nintendo cant detect modchips (yet...) and yes modchips work fine online, ive played both mario strikers and pokemon online and they work fine, get the wiikey chip its very good if you are getting a modchip that is