It's a lot better than the command line, but it's still a bit complicated compared to the Windows wizard. With the wizard, you just follow some very simple on-screen instructions (connect the tablet with the cable, press button X etc), you don't even have to know what firmware is. The Wizard's only requirement is a basic understanding of english. 770Flasher requires you to get the image you want to install yourself. It's relatively unclear where or how you do this. I know what the link is, but how is anyone non-technical supposed to find out?