Welcome to the AS world. Sounds like you have quite a project ahead of you. There are many welders out there, and you will probably find even more opinions coming your way. Not knowing your budget, or how much you want to get into tools, you might want to check Eastwood.com for a complete line of welders that will be much more cost effective than some of the others out there. Ultimately you will have to decided on what you deem best and what fits your budget, skill, and future use.
1997 25' Safari
2012 Chevy Silverado HD 2500