The adds were in Flight International.....they responded straight away so I get the impression they really mean business
They responded straight away cos they know that when it comes to securing the services of Foxy they are in competition with about 23 other employers who have his CV.
Having spent a lot of time in Karlsruhe over the past 6 months I can recommend it as a really pleasant place to live. I found that restaurants could be a bit pricey (but I guess that is standard for Europe) but supermarkets and that sort of stuff were pretty reasonable. A lot of the people who work in Karlsruhe live over the border in France (about 30 kms) as the income tax there is less (not sure if that works for expats though).
Maybe in Munich or Frankfurt the lack of German may not be a huge deal socially as most people may speak English, but in Karlsruhe I found that a lot of the people were German/French bilingual and only those that needed English for their work spoke English.
Anyway just my 5 cents worth. Good luck.