I guess you work there, but why does this matter? Loads of places sell iPad anyway, so unless ASDA are selling it cheaper it won't be very interesting. :/
Still, I suppose it'll be a good thing when the iPad 4 comes out. They'll benefit from the immediate rush, and consumers will have another place to source one.
I'm scratching my head as to why we don't sell them in Waitrose, Canary Wharf which has two floors dedicated to John Lewis stock.