A lot will depend on price of course, but this one from Toshiba click here
is lightweight, has a 13 inch screen and a DVD recorder included which none of the 10" ones do as far as I know. My daughter has a similar model purchased in the USA and finds it ideal for travelling because of its light weight. There may be lower cost and lower spec machines in this model range.
A cursory glance at 3g broadband coverage in Europe seems that yes you will need at least two dongle to maintain coverage.