Trial versions of CS6 are available for download from Adobe servers.

UPD : apparently, no longer works. Wait for links from the official site.

The network has links to the trial versions of the CS6 product line, both for individual products and the entire Creative Suite. There are no download links yet on adobe.com itself, but the files are already on CDNs.

While there is no English version, but you can safely download
ko_KR / zh_CN / zh_TW / da_DK / de_DE / es_ES / es_MX / fi_FI / fr_CA / fr_FR / it_IT / nb_NO / nl_NL / pt_BR / sv_SE / cs_CZ / hu_HU / pl_PL / ro_RO / ru_RU / tr_TR / uk_UA
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As usual in such cases it is necessary to start downloading any trial from the downloads section, then copy the direct link to the download manager.

Link to page with links

Probably, as soon as the English versions are available on Adobe servers, they will update the information via the link above.

UPD.
It looks like the server is bent, a copy in the cache .