I don't think these would be considered reasonable, but if money is no object, I believe these may be the best available...
+/- 2 lb. spine and +/- 5 grain
Beautiful, totally custom stuff.
http://www.arrowart.net/

I just weighed the arrows I purchased from www.fletcharrows.com today...
All 12 were within 7 grains, crested, burned feathers, hens are real barred.
All for the whopping price of 50.00 + 6.50 shipping off Ebay.