Finally got around to trying to Clean Install 10130 (x86 'downgrade' from my x64) in preparation for later this month.

It point blank refused to find a suitable partition, in spite of me trying various permutations and deleting and reformatting fresh ones

I left it a few days, during which there has been a flurry of new Builds, but, last night, I found 10162 and a fresh iso still wouldn't install
("We couldn't create a new partition or locate an existing one")

I suspect my old MBR/Partition Tables were confusing the installer and a bit of messing with Command Prompt and DiskPart did the trick

http://www.howtogeek.com/forum/topic...tall-windows-8

Just in case any of you planning your own clean installs find the same soon

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http://www.theregister.co.uk/2015/07...0_build_10162/

Once going, it installed very quickly and seems much more polished and functional than 10130