One of my bookmarks would be an excellent match for what you are seeking. I use the site http://www.takevegashome.com when I am looking for a new casino to visit and take advantage of their no deposit required sign up offers. They are really good about updating the site regularly to keep all of [...]
I found a good directory of online casinos with no deposit required, Ranked Online Casinos. I have listed the links below this. The first one is the list of no deposit casinos. The second link is their home page.
There are some very good online casinos with flash software which does not require any downloading whatsoever at http://www.flash-online-casinos.net/
These casinos have quality games and allow you to register and play within a matter of just a few minutes. My personal favorite is Jackpots In A Flash. Good luck!
I am looking for a good no deposit bonus at an online casino.