I think it's great, a 32bit CPU and 32bit Fast RAM all on a redesigned board which you can swap out of a stock A500. Hard to find accelerators for old Amiga machines these days. Most are 030 A1200 boards on ebay if that, some people even list RAM expansions as accelerator cards hmmmm naughty.
The only thing is personally I prefer IDE, simple and with a 7200 RPM notebook drive would fit nicely inside the case and still be faster than the motherboard would ever require, even seeking small files.