We've usually bought the cheapest, bells-and-whistle-free washer and dryer out there. Never been disappointed.
I don't like anything electronic on the appliances. Luddite that I am.
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All mechanical controls. Switches and knobs. All the things that are going to stand up to years of abuse from wife, hubby and eventually, the teenage boys (you know, those paragons of proper-use-and-care) and are easy for the do-it-yourselfer to change out if they DO fail.
Top loader washer for all the reasons mentioned above.
Absolutely the largest capacity washer you can afford, because eventually, you'll want it. You'll have some comforter, or bedspread or something that demands the large capacity.