I think the current high prices are just down to supply and demand, have read that there will be increased production in 2018 which will hopefully bring prices down.
I feel your pain. I'm waiting for that to drop, as well as GPU prices. 
Yeah wait if you can.. also worth keeping an eye out on black friday/cyber monday for deals.
I remember when it was £1 for 1Mb
64MB = £64 
Think my first PC in 98 was 64 mb which I later upgraded to 128 mb