Looks nice.

Something similar that I have used in that past.

http://davidseah.com/blog/the-printable-ceo-online-emergent-...

http://davidseah.com/blog/the-printable-ceo-series/

I think these are a bit more polished with more options.

Edit: Online Flash version: http://davidseah.com/tools/ett/alpha/

Now I just use Things for mac. Works for me.