The Official Amon Amarth page is up and running but not finished so check it out.
The 0ffical Amon Amarth page
Amon Amarth
(Metalblade Records)
Here are some tablature sites that I use. I strongly recommend that you check them out if you are looking for death/black metal tablatures
Displacer's Tab Page
Death Warp
Malignant Tablature Dominion
(One of my other sites)