Dream camera

Casio Exilim EX-Z100

http://asia.cnet.com/reviews/digitalcameras/0,39001468,42622373p,00.htm

light - 111g
fast startup

Canon Digital IXUS 860 IS

http://asia.cnet.com/reviews/digitalcameras/0,39001468,41072561p,00.htm

heavy - 160g
fast startup - 0.9s/1.6-2.4s