I understand your frustration, however we're not planning to make an alternate CD. Ubuntu is working at a better installer (I believe that Grub target problem is already fixed in Herd 5) and we're waiting for them to fix these kind of issues.
Of course if these problems persist in Feisty we'll develop our own installer (hopefully a bit better than the one we made for Ada .. which never made it to stable for that reason
) but we're not looking at other ways to install Linux Mint.
Note: We are interested in other architectures and alternative ways to install the distribution but we don't have enough resource to develop in these areas. Unless this become a community sub-project, it just won't get done in the near future.