My mistake, I thought that was just the XIP update, not the full ROM.
The gist is the same, you have to get your ROM's from the manufacturer
As to WM5 on your 4700 - why was it so bad? Did you let it sit like some have said to allow the compaction process to finish?
I remain on 03SE to see if any updates or fixes come out - but it sounds like the ROM is slow on the 4700
I have the PPCTechs 128M memory upgrade, so the ROM memory in this is different. Do we know if its the memory itself or the memory controller that causes the slowness?