You can do what's called an in-place upgrade as long you install the same version of Windows 7 as you have of Vista. For instance, if you have Windows Vista Home premium you can upgrade to Windows 7 Home Premium. You can also go from Vista Business to Windows 7 Professional, and from Vista Ultimate to 7 Ultimate.
Dublin's move up ten places in the 2014 cost of living survey primarily reflects both of these factors.. Elsewhere in Europe the strength of the Swiss franc means Zurich is the most costly European city on the list, followed by Geneva and Bern.
Singapore has retained its position as the world's most expensive city, according to research by the Economist Intelligence Unit (EIU). The top five most expensive cities in the world remain unchanged from a year earlier and include, in descending order, Paris, Oslo, Zurich and Sydney.