I gave Ubuntu 7.10 AMD64 a fair try on my workstation mainly as a curiosity, and while it was somewhat usable (and Compiz Fusion was very nice and relatively bug-free) there were too many issues for ...
To adjust your grub menu options, you'll want to edit the <tt>/boot/grub/menu.lst</tt> file. The format should be pretty obvious if all you want to do is remove a few ...