The thing that convinced me to get a subscription for Mushroom magazine, were the CDs that I got. Kinda like a present of music, because I didn't have any special ideas which ones I want.
But if it was just for the magazine, I probably wouldn't subscribe. There are just a few articles and tons of ads. If there were more things written there, or for example something about the history of goa / psy - like a column that would be written regularly, that would really be nice. The idea of a magazine is indeed great, it's just the content that could be better. And about getting news; nowadays getting informed through internet is faster and easier, so getting a blog would really be nice. Before that happens, I check out psynews/isratrance.