Yes, Hobart was bought by Miller several years ago. Both have excelent equipment. There is a number of reputable manufacturers too choose from. Some of the bigger are Lincoln, Linde, Thermal arc and Esab just to name a few. For my money I'd choose either Miller or Lincoln. I'm currently concidering buying a used Thermal-arc 210amp mig welder for at home. I'd rather have more juice to do heavier jobs if needed.
You can always run some .023" wire for light jobs. Gas selection can help you run cooler for thin materials. A larger machine also means all your buddies wont be asking to borrow your welder all the time.