well i'm still looking for them and my best place to find them seems to be ebay in germany which i access via their UK site so the words are in english. when i do a search from the standard ebay.com they simply don't appear. is europe off limits to us here in North America as thats where all the good latex is, more so if your buying second hand or by new designers.
here's a selection of recent finds which are all ended now.
there seems to be loads of styles out there over the years but sadly nothing that would fit me and within my current price range. i admit its a bit of a quest now and needing the higher heels for my own training is the problem too. but i am simply fixated and in love with this idea of molded rubber or plastic footwear. i don't know why, maybe its the entire thing about human forms being molded in some ways - and that this is just the start of it as the boots get taller and taller... or kinkier still that there's a machine you could be put into...
some good did come of it though, the black and pink short high heeled boots which had previously done an entry about last year were briefly for sale in germany and this time in blue and white. the thing is that they actually gave the designers name!!!
they're by Kenneth Cole and click the link to see the original listing and how much they went for.