Prouboy, if you haven't found the perfect mattress for your wife yet I thought I'd share this info with you. A friend brought her 'princess mattress' with her on an all girls trip and I thought it was silly until I made the mistake of lying down on it! Then I bought one for my husband, who had trouble sleeping, luck for me he doesn't like air mattresses and I have inherited a princess mattress. I bought it at Mountain Equipment Co-op and I'm not sure if they ship to where you are but here's the info in case it's something you're interested in.

MEC Reactor Summer Pump Pad

Product Number: 5025-651
Made in Taiwan

Weight: 600g (Regular)

This replacement for the Kelvin Summer Pump Pad features improved foam in the integrated pump for better rebound, fewer strokes, and faster inflation. With no added insulation, this pad is compact when packed, yet luxuriously thick when inflated. Side sleepers will relish having a full three inches between their hips and hard ground.

For summer and warm weather use. No added insulation.
Integrated pump works with CPR-style hand compressions. No huffing and puffing.
Non-slip surface on the underside prevents sliding in your tent.
Includes stuff sack and repair kit.