Might want to look at @slh's suggestions and the comments following
His opinions have always held weight with me, and he's much more familiar with the European market and its availability and pricing than I am.
Edit: It wasn't long ago that I was thrilled by a 30/3 xDSL connection. The changes in availability and pricing have been over the last 3 years or so, and you did mention "future-proof" as a desirable attribute.