The Guild Adventurer magazines are awesome. They provide some great gaming supplements that are extremely helpful in in or out of a pinch. You can't beat the low cost of these PDF's for the quality and amount of what you get in each ezine. They are more than worth the cost!
The Guild Adventure product keep getting better. This issue include a number of good points. A very good article about coins in fantasy games, some good adventure material including a classic crawl with undead and a fun adventure about sci fi adventure theft.