InstallAware

I'm sorry if it's an already asked question but I'm always frustrated (like I was with Installshield in basic MSI projetct) when I don't found this basic feature. The basic dialog for "setup type" doesn't respond to my needs. I need completely differents types. Why does it exists any easy way to just specify my types and the features associated with to override the default setuptype and componentstree dialogs?

I know that I can edit the dialogs and code but like I says, I'm surprised of not see a "setup type" option in the designer. Installshield have this option and I don't think it have copyright on this

Thanks!