Frys has the Siig Universal AC/Dual USB Power Adapter 90W for $30 after rebate -
http://www.frys.com/product/7829849
Anyone used one of these? I've generally stayed away from 3rd party laptop power supplies, but the convenience of 2 USB charging ports (1x 2.1A, 1x 1A) plus a laptop charger in one for only $30 seems like a good deal.
However I can't find even a single review of it, so...