Greece HSPA (prepaid and postpaid offers)

[DaveRo]

... the Wind Plus NS, connects with 3G wherever there is a 3G coverage, while the Cosmote MyView'n'Web connects always with GPRS even if there is 3G coverage (this needs confirmation but I've heard it from various people).

No - I'm currently using Cosmote myView'n'Web over 3G here on Kos.

In general, Cosmote has far greater 3G coverage than Wind and Vodafone, but due to its network congestion

Yes - speeds on Cosmote can be very slow. It's best early in the morning - which is when I want waether forecasts