OMFG I've suggested this before, and so have others. We just end up getting negative feedback eventually from other players that "No Support". Ahem... AKA trolls... Or just the greedy that don't want you to be able to buy anything so they can hold it over your head. But I'm on board.
There's likely already a conversion ratio - just look at how many loyalty points it took to buy a Dragon Keepsake Key back when you could, and how much it was in RuneCoin and you'll already know it's quite a high rate...Clan: