I have conflicting views on this one.
On the one hand, pinball is made for operators, and I'm not sure an op is going to want to pay extra for a cool topper that's probably going to get stolen from the local bar. If you're buying a pro for home because there's not enough to justify the LE, then you're going to want the extras and don't mind making up the difference.
On the other hand, if you're shelling out an extra $2000 for an LE, why is that not coming with a topper? But, again, we get spoiled in Pittsburgh with ninjadoug putting LEs on location (thank you, Doug), and the same 'topper is unnecessary' argument applies. I think he's in the (awesome) minority when it comes to putting LEs on location, though.