As far as sand blasting goes, you got a local body shop or custom metal shop near by? They can probably sand blast and powder coat for you for a small fee. Or just sand blast and then you can paint with high temp. Too bad you already put $48 into the home sand blaster. Too late to take it back?
LG BGE-Brinkman Cimmaron-Custom Pull-behind (old grade school boiler)-Weber Kettle-DCS 30"