I promised to write up my sandal purchase. Here is is.
I commute 8 miles to work in Northern California. It's been warm enough to wear these things and I've discovered I like the wind whistling through my toes.
These are Nashbar sandals. If they didn't have bike cleat cut outs they'd cost $15, but they do so it was more.
They're comfortable. There's a ridge that fits under my toes I like a lot. The straps have an adjustable cup. Very nice.
I had to carve my soles because my Cannondale/Coda cleats seem wider than normal SPDs. I used a box cutter and it was easy.
They aren't still like road shoes. I wouldn't ride 30 miles in them, but for my commute they're great. The cleats are recessed enough they don't click and I once wore them all day. I'm going to enjoy them until it gets cold.