We have a 291 with the cabinets. They don't look like they would be hard to add at all. The biggest problem would be finding the doors that are sized right.
I can tell you that we use those cabinets. One of the few things I dislike about the 291 is the lack of a good linen closet. The undersink storage in the bathroom is too small. So we wind up using the pantry storage in the lving room.
The other complaint is the water lines running in the slide out... but that is a whole other story.
Nights camped in 2010 = 21 nights
2008 Chevy CCab 5.3L 4WD Z71
2008 FR Surveyor 291
Slpybear, Mrs Slpybear, Three Cubs