[weavejester]

Charles Stross and Greg Egan are two that spring to mind, though Egan's writing is quite heavy going.

[maxerickson]

The introduction to Toast has some interesting thoughts on issues faced by current futurists:

http://www.antipope.org/charlie/blog-static/fiction/toast/to...

(The intro in the collection, not on that page. Click through to whichever format...)