I find this situation bizarre.
google.pt presents V6.0 beta and sends V5.2 (13.3 MB installer)
google.co.uk presents V6.0 and sends the right one (576 KB installer)
Softpedia and FileHippo present V6.0 and send V5.2 (13.3 MB installer)
CNET presents V6.0 and sends the right one (556 KB installer)