Wizards of the Coast the official home of Dungeons and Dragons
D&D Adventures excellent resource material
Night Druid's Sanctum Spelljammer converted to 3.5
Rackham On-line Store gotta love the detail of these fine miniatures
Reaper Miniatures best buy out there in my book (both price and quality)
Magnificent Egos these guys make some very unique miniatures check my gallery for the green undead beholder
Ironwind Metals featuring Ral Partha classic miniatures
Code Monkey Publishing Home of E-tools (an excellent program)