HP ProBook 4510s Notebook PC HP ProBook 4510s Notebook PC https://www.expertreviews.co.uk/laptops/48942/hp-probook-4510s-review Thanks to its glossy, piano-black lid and square edges, the ProBook 4510s looks both smart and businesslike. HP has also opted to preinstall Vista Business, which means you can upgrade to Windows 7 Professional, the middle version of Microsoft's new... http://www.itpro.co.uk/611950/hp-probook-4510s Decent looks and lots of power are let down only by the low-res screen, but this is still well worth a look. ... https://www.expertreviews.co.uk/laptops/48942/hp-probook-4510s-review HPs 4510s is the only laptop with Vista Business in this category, but thats no reason to avoid it if youre choosing a laptop for home use. The ProBook came second in this groups 2D benchmark results and, thanks to a Radeon HD 4330 graphics chip...