I think modded set are bad for kids... They will not learn how to treasure the games since its RM5 a piece.

Get originals and teach them how to save money or make money for the things they want

You can get unmodded, officially authorised Wii sets in Jusco. The price is a few hundred higher than your friend's korean modded one (last time i saw was RM1280). It's bundled with a couple of games so your kids will be occupied for a while.

I am actually getting a second Wii from a forumer here, unmodded too.