There's nothing wrong with using Notepad.exe, many very skilled designer-devs still use simple programs to avoid any chance at a WYSIWYG-capable device "taking over" and fiddling with their work.
The logo, on an LCD at least, is rather dark, the blue house outline sinks into the background. Overall "darkness" in sites seems to be a bit passé for the 2.0 world, and while I disagree at times, in this case a lighter palette, or more varied dark one, might be worth considering.
Flash getting cozy with Google or not, I'd recommend making sure you repeat the primary navigation links as text in the footer - and as for the Flash, the buttons bounce a little more frantically than I personally would want.
On an
SEO/search note, changing the Title tags on a per-page basis will do you or your client in good stead over time.