A large enough woodstove will certainly heat 1400 sqft, even with mediocre insulation and cathedral ceilings. A ceiling fan may be required, though. I would look at a stove with a firebox size of 2.5 to 3 cu ft. If you want to get a radiant stove to please your wife, a soapstone stove would be a great idea. Woodstock Progress Hybrid or Hearthstone Mansfield would fall into that category. Other option would be a radiant cast-iron stove like a Jotul F600 or Quadrafire Isle Royale. However, you seem to be leaning towards more modern looking stoves. Possible candidates:
Pacific Energy Neo 2.5: New model = very few experiences yet. However, PE makes quality stoves and has a loyal following here.
Osburn Matrix: I really like that look with the optional soapstone side panels. Has been around for a while; you should easily find some opinions here.
Englander Madison: Also new stove but some threads already exist. Would be the budget choice. ~$900 when special ordered through HomeDepot or another Englander retailer. Good customer service.
Englander 30NC: Even bigger than the Madison. Needs a hearth with a r-value of 1.5. Many satisfied owner here; probably the best price to performance ratio in the industry.
Woodstock Ideal Steel: Large stove with a 3.2 cu ft firebox. Has a catalyst which means you can turn down the air more and run the stove at lower heat output for a very long time. If you are looking for a stove that needs tending only every 12+ hours then this may be a good option.
BlazeKing Chinook 30: Another cat stove. Same principle applies: Low, steady heat for an extended time with the possibility to turn it up when it gets really cold. However, more of a convective heater.
Regency CS2400: Based on the F2400, a proven performer. A tad smaller than the other ones here. May need some furnace support when it gets really cold.
Heatilator Eco-choice WS22: Less well known but the few members who have one seem very happy. A more budget friendly choice.
http://www.heatilatorecochoice.com/products/details.asp?cat=wood-stoves&f=WS22
Rule of thumb: The smaller the (side) clearances for a stove the more convective it is. If you go for a more radiant model, make sure it fits in the spot you want to place it including clearances.