Hobart Mega Flex 650 RVS Welder.
$550 $400
Has MIG and stick functions, also carbon arc gouging and TIG mode (but you will need a high frequency adaptor such as Miller HF-251-D, to do TIG)
Can do 650 amps at 100% duty cycle.
Credit cards can be accepted for payment.
Click thumbnails for larger pics.
More pics HERE