Handy that the PSU is enough for both.
The great thing bout these miners is you don't need a lot of juice to run them. I would not have thought to start mining again except the power requirement/heat output is manageable for me where i am living right now.
I got lucky at my electronics recycler; there were 6 identical units i picked mine up, with power supplies, sans drives. There is also a non-profit in my city that provides a core2duo desktop + monitor for free after 24 hours of volunteering time. As a broke person, my free time is worthless enough to take the time to recycle/reuse/resell what i can find.