I'd suggest you have a look through the photos section on Houzz - or there's quite a few good articles on how to decorate :) maybe both you & your wife could save pictures to an ideabook with a few words on what it is you like about each one, and it'll give you more of an idea of what type of things you like? I think colour-wise, turquoise and peach can go together really well - maybe a warm cream colour on the walls & pops of turquoise and peach in the form of throw cushions etc.? Again, just searching on Houzz can give you some great ideas - just literally searching 'turquoise and peach' brings up quite a lot of pictures :) to get you started I've just picked out a few which I personally think work well :)

Instead of wood and glass installed permanently, consider two options. First, an open cube made of stained wood - 6' high x 6' wide for books, display, as a screen but not fixed. Ikea has expedit, but here is the nice version http://www.smartfurniture.com/products/LAX-Series-Bookshelf.html?st-t=Google_Campaign_PLA&vt-k=&vt-mt=&gclid=CMeu25rNuMICFYhefgodbHQAAw OR - use a sofa table behind a 7' sofa with its back to the dining area, and place tall buffet lamps with a standing sculpture between .. . divided, but flexible ..

Is the tile for the flooring? I would recommend long rectangular plank tiles, there are many different looks available here is an example of one project we did that gave the client a neutral design option, they are tiles that look like a textured wood.

It took me ten years to figure out as an adult why my allergies are non stop when I visit my moms custom home. This morning I figured it out. Pine floors. We eliminated feathers, my seasonal allergies and there are no other triggers apparently in this house. I have to take the max allergy meds per day to be here. Treating the floor did not stop this from.happening to me as my allergies are severe. So heads up guys, people can react to the wood flooring even after its treated