Just give them another slot as well - a huge amount of the DJs that play do a few sets, not sure how you have missed this?!
As for the latter - that's just four tet morning side really
A lot of DJs will never have played such a big field, don't think it would be very hard to sign someone up to it
Put it on sale around now and as said, a uk exclusive, and would be fine.
Seems unlikely she'd support Stevie - he would have dirt cheap support surely as he's guaranteed to sell it well