Popular Science never fails to provide good gift guides (for things to dream about, let alone think I could buy).
http://www.popsci.com/popsci/hightechholiday/73f09081af947010vgnvcm1000004eecbccdrcrd.html
For instance, check out the hydrogen burning fireplace (http://heatnglo.com/): http://www.popsci.com/popsci/hightechholiday/73f09081af947010vgnvcm1000004eecbccdrcrd/5.html