Thanks! My Google skills aren't as good as I thought I did found out that all other versions (K, KN, Starter, x64) aren't available in pt-PT. All I'm missing now are untouched ISOs of Windows XP with Service Pack 1/1a in pt-PT (already have SP0, SP2/N, SP3/N), if those were ever available
Only ULCPC I have come across was a Dell version, and if I remember right, after it is installed and after first boot it starts compression of a lot of files on the C drive. Microsoft Windows XP Home SP3 - 20080712 - ULCPC Code: 8cd055ca5f78ac0109054c620c8fdd2b3ae0e37c *ULCPC_HOME_SP3.iso
I don't have any names, as long as I can remember I only saw SP2 and SP3 ISOs in msdn. Since they used to have many more ISOs that eventually got removed, I'm assuming that at some point there were also SP1 ISOs. They are not as common as I thought, it was just released to a bunch of brands with lower end PCs. Probably it's just a batch that runs at first boot to compress the C drive which will probably even make XP a little less responsive on a slower computer
That one I already have, plus SP2 and SP3 ISOs. They're basically the executable plus a few extra folders/tools. It's sad that the Wayback Machine didn't keep a record of those old pages...