Welcome, Glad to have you with us. This is the place to learn, lots of good info and helpful friendly Members. Be sure to introduce yourself in the Roll Call thread.
Be sure to check out Jeff's 5Day Smoking Basics eCourse, you can find it here it's "FREE"...5 Day e Course
Everyone here enjoys seeing the qview so be sure to post plenty of pics.
As for aluminum I would think that it would be hard to work with as far as welding etc. Other than that it should work as they have made millions of grills over the years out of it and they generate a lot higher temps than a smoker...