Thanks Russ, that's a good point, though I suspect your system is *very* behind the times if you're not even running an i5 (initial release date: 2009). These new steeper requirements are true for other software vendors as well (for instance,
here are Topaz' requirements). So I guess if one is going to keep pace with modern digital imaging, one must upgrade hardware ;-).
That said, I created the screenshot above on a 2013-era (i7) MacBook Air and survived to tell the tale. I haven't yet tried the new Photo RAW on my 2011-build i7, dedicated graphics card, triple-boot Hackintosh but it's much better than this laptop and should still suffice. A GPU upgrade on the Hack is ideally in order though, but like you said, that costs money...