The biggest site to find flatshares in Germany.
German mobile telco from Aldi. Offers great roaming data deals 7 days, 65mb for €5 anywhere in Europe.
Hetzner offer very, very cheap dedicated servers. AMD Dual Core, 2Gb RAM, twin 400Gb SATA disks, from €49 / month plus €99 setup. Raid controllers optional at €10/month. They also appear to run on green power.