grub backport not available for amd64?

[Rik Theys <I_follow_the_newsgroup@scarlet.be>]

Hi,

To install the latest linux-image-2.6.16 from backports.org, a more recent 
grub is required.

The more recent grub is available for i386, but doesn't seem to be available 
for amd64?

Greetings,

Rik