I ended up using a Nexus 10 for reading technical stuff. The kindle is too small and you lose the page formatting. I really wish they'd bring back the Kindle DX format.

>Due to excessive spam certain IP ranges, referrers and languages had to be banned from accessing the site. The most likely reason for you seeing this page is that your language is set to 'ru', sorry if that is the case for you.

sorry, forgot I still had the language rule active, should be fixed now.

Another great tool to get long(er)-form articles onto a Kindle: http://fivefilters.org/kindle-it/