Don't know all these but personally I'd pay no more than 30-35 dollars a pill for good Es and about 15 bucks for good Ts. As for Coke and speed, all I know is that speed is cheeper but there is a good reason for that! Hope thats some help.
The prices vary of course, and it depends where & who.
acid: $10-20
good pills: $30-50
Speed: $20-35 per point
don't know about coke
[This message has been edited by Plague Bearer (edited 29 April 2001).]