Alright, so, I'm alching maple longbow (u)s. Here are the calculations:
Buy for 95 each.
High alchemy for 192 each.
Nature rune is 204 coins.
204 + 95 = 299 = cost per alch.
299 - 192 = 107 = loss per alch.
Xp per alch = 65.
107/65 = 1.6gp/xp.
Very, very good.
