Mousesavers is a good resource. Sign up for their newsletters and you will also get additional offers that won’t show up on their website, some of them very good! One of their preferred hotels is Buena Vista Suites, while it’s only one bedroom, there are two queen beds and a sofabed. Breakfast is included and there is a kitchenette. They often run special deals, like now where every second night is discounted. Even with extra adult fees if they have them this could keep you in budget. Good location. We stay here sometimes.
http://www.mousesavers.com/buena-vista-suites/
Depending on your comfort level you can look at
SkyAuction. Even if you booked a week, you don’t have to use it for the week. We stayed in Dec in a 2 bedroom at Bonnet Creek for total of $620 with all taxes for 7 nights ($88) but divided by 6 nights $103. Here is the same offer now
http://www.skyauction.com/anyoffer/141897?adref=EM013115VB. I once got a 1 bedroom for total of $320 for a week ($45 a night). But with a full kitchen you can save plenty of eats by using it. No extra adult charges. There are lots of condos with 2+ bedrooms on this site for great values! BE AWARE there is no refunds, there is a Buy It Now or Auction process. Always scroll down and read fine print for Upcharges for certain dates or size condos, Taxes & Fees often $249-299 over the amount bought/won
but this is sometimes included in some special deals. Sheraton Vistana Resorts are often on here and many really like them with the one being right outside Downtown Disney. Here is a sample of one
http://www.skyauction.com/action/offer/2500824. There are at least a dozen or so that are on here but I always suggest to explore them for reviews and location beforehand. Sample page for a generic offer but all these resorts have direct offers as well.
http://www.skyauction.com/action/offer/2501742.
Like I say they offer good deals and are reputable but read all the print.
Here are two hotels that are nicely done, clean, good location and I wouldn’t hesitate to stay in. Their rates are low enough you could maybe swing two rooms. Baymont includes breakfast so that may help. Add in
AAA or book via Orbitz with one of their discounts could be great option.
http://www.maingateresortandspa.com/
http://www.baymontcelebration.com/
Go on to
Orbitz. Currently at 15% discount (TRAVELHAPPY) and input that with non-peak date (it isn’t good past end of June at moment) to give you some ideas what might pop up. It has hotels, condos and homes on there. Good resource and possible booking agent when codes released for your time. Of course you can pop in your dates, just can't use the discount code.