I have been stalking lovely lady Absinthe since I had my first taste. Unfortunately it was only available in Europe and with shipping could easily cost more than a hundred dollars a bottle. Two brands have sidestepped the asinine and antique laws regulating certain botanicals contained by Absinthe, these are now available in the US.
Lucid is a classic Verte (green absinthe).
Kubler is a Swiss style La Bleue (clear absinthe).
I am purchasing a bottle of Lucid tomorrow at Binnys (great liquor store).
I shall write (update I just did a review!) a review of it while still somewhat sober and will do the same as soon as I can get my hands on the Kubler (I can only find Lucid in Chicago stores so far).
If you want to learn more about Absinthe you should go to the Wormwood Society Forums. They have anything and more you ever wanted to know about Absinthe.
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Update- Heres how to prepare a nice glass of Absinthe.