I still recon the EP for you is a siebert optics observatory class in say 34mm or 36mm. aparently they are designed for fast scopes and are only $200 US. they are 70 deg and some compare them to panos.
heres a cn review fer ya!
http://www.cloudynights.com/item.php?item_id=1416
and a 2" shoot out:
http://www.cloudynights.com/item.php?item_id=1451
just goes to show that you have to pick what evils you are willing to live with in this field.