What do people want in a map

[Jenkins]

I know the greatest mappers always have great connectivity, lighting, and playability (low fps). Theme really doesn't matter all that much if they have the top three working good together. Landmarks are always a plus so the player doesn't get lost.

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Jenkins

[Jason Tush]

Independent Games Reviews
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http://www.jasontush.btinternet.co.uk

Could some experianced mappers please answer the follwoing:
In general what are peoples views on dark corridors, small interconnecting rooms, large levels, city levels, what themes? etc. Please could someone tell me the most popular designs.