Grub2 is Now Default at NEW Ubuntu Karmic Installations

Colin Watson has announced that from now (9th June) Grub2 will be installed default as Ubuntu Karmic Koala's boot loader.They are not planning to change existing boot loaders since it is a risky operation.However, you can upgrade your boot loader to Grub 2 from here (Soon i will write a blog post about upgrading to Grub 2 since i am gonna do it in a couple of hours):

https://wiki.ubuntu.com/KernelTeam/Grub2Testing

You can read the announcement here :

https://lists.ubuntu.com/archives/ubuntu-devel-announce/2009-June/000573.html