All the Disney resorts have an option for you.
All Stars, CBR, Riverside and POFQ would of course be two rooms.
CSR has a "deluxe" room that will sleep six, but you might be better off with two rooms. The rooms that sleep four can be had with a discount, the rooms for 6 can't, or at least I haven't seen them discounted. CSR considers them suites.
As for the Deluxe hotels, all have suites. Some you can get discounts on, others you cannot.
WL has a deluxe room that sleeps 8 and has two baths, but no discount.
BWI has a deluxe room that sleeps 6. One bathroom. Concierge service. Can be had with discount.
If you are thinking of staying at a deluxe with two rooms, BWI might be an less expensive option for you and it will include concierge service. WARNING: Concierge can be addictive!
That's all I can think of besides the home away from home options already mentioned.
Good luck!
Lori