Seems to be for the top-end Disney hotels (3 or 4 Key rated). The best quote I could find was for £370 for 2 adults and 2 children (under 7) in the Sequoia Hotel with breakfast for 2 nights, 3 days park tickets in June.
Save £175 per standard room on a minimum 2 nights / 3 days Park ticket and Hotel package. Offer is available on one of the following Disney Hotels: Disneyland® Hotel, Disney's Hotel New York®, Disney's Newport Bay Club® or Disney's Sequoia Lodge®. Minimum 1 hotel per arrival date.
*Book by 31st May 2010, for arrivals from 27 Nov '09 - 8 Nov 10, except from 19 Dec '09 - 1 Jan '10, 14 - 18 Feb '10 & 21 - 24 Mar '10. Combinable with kids under 12 Stay & Play free. For each adult package purchased to arrive from 3rd Jan - 1st Apr 2010, up to 3 children (aged 0-11 yrs) get free accommodation and unlimited entry to both Disney® Parks, up to max occupancy of hotel room.
(2)Also Combinable with Kids Under 7 Stay & Play FREE. For each adult package purchased to arrive from 2nd Apr - 8th Nov 2010, all children (aged 3-6yrs) get free accommodation and unlimited entry to both Disney® Parks up to max occupancy of hotel room. Minimum one paying adult per standard room booked. Proof of Kids' ages will be required at the check-in. Not available on transport or other options. Offer subject to availability. No cash alternative or substitute offer available. Offer is valid on presentation of this voucher and must be retained and surrendered upon hotel check in. Only one £175 off voucher can be redeemed per booking.
For new bookings only and not combinable with any other offer. Standard terms and conditions apply. © Disney.