I'm in the process of changing door cabinets to my kitchen as well. If you want to change doors and you have standard measurements, Ikea would be a cheap option. Unless if you find a company that builds only the doors without installing it for you, it could be cheaper as well. If you are willing to paint the doors, I believe it would make a solid change as well (and cheaper).
I agree that you should change the pendant. If you google/pinterest/houzz the words industrial lights (or urban) , you'll find a lot of options.
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Dimmable LED bulbs, 150 watts each. DO NOT use 3-way bulbs or CFLS's.
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