Buster - sounds interesting. From the rumours you've heard, would this be a
1 - Budapest - Russia non-stop route, with connections ticketed separately and at a passenger's own risk
2 - Luton - via Budapest - Russia route, with formal connections at Wizz's risk, perhaps being just a nominal stop in Budapest but passengers not even leaving their seats
3 - Luton - Russia non-stop route
When I talk about Budapest, there is of course the possibility that one might wish to substitute Kiev, Belgrade or Sofia instead