In short: comfy, breakfast was good, plenty of parking and great location for Disney.
We stayed for 3 nights to visit Disney. When we arrived at the hotel, our room still wasn't ready despite us being an hour after check in opened. There was plenty of parking available on site. Our room was clean, an adequate size and the bathroom was fit for purpose; exactly what you would expect for a hotel at this cost. The beds were perfectly comfy, but the pillows weren't great.
Breakfast was decent and there was plenty of choice, both hot and cold with cereals and fruit available too. We did have one day where there wasn't enough seating available though and we had to return 15 minutes later.
Travel to Disney is easy from the hotel. It is a short drive to the park, or you can drive to the train station (Val d'Europe) and park there. The trains run very frequently and it is €5 return to Marne la Vallee. There are 2 local buses that stop within a 5 minute walk of the hotel, the 2222 and the 2224 but check the schedule as one of them stops in the early evening.
All in all, i would highly recommend this hotel as a good option to use as a base for going to Disney on a lower budget