Bow Range/Refire

Now, I have seen the list of all the bow types, range, refire rate, and flight times. But my real concern is:

Storm Bow vs. Ithas Bow

This is the most complete list I've seen on this site:
http://www.guildwarsguru.com/forum/s...ad.php?t=20469

I've never seen an ithas bow other than here:
http://www.guildwarsguru.com/forum/s...63&postcount=4

This post says it's preorder item:
http://www.guildwarsguru.com/forum/s...ighlight=Ithas

And I've read it has a high arc, must mean it's like a flatbow, not sure though.