The little trip I mentioned would take you say, 800 miles (on the Continent), if you get 250 miles to your £65 of V-Power you will be roughly 4 tanks in fuel (not including lap time at the Ring) and, without being rude, your going on a budget so your not going to be eating at the Ritz, theres plenty of places to get good food for not much, just look out for places between towns (when at the Ring, head to Breidscheid, theres a Snelly just under the bridge, the best food you will eat the whole trip)... Theres loads to see and do all round that area, Stavelot theres a motorsport museum, Henri Chapelle is an American war cemetery (theres one at Bastoign too) Berntkastle in Mosel Valley a mad collection of buildings, you know, I have been going to Nurburgring for over ten years now and it wasnt till last year I even knew there was a castle there. For spectating, go round to Pflansgarten (plenty of parking and great for action), you could even take a detour to Zolder on the way back and on the way down, instead of Amsterdam theres Maastricht, the high street there has all the big names, TK Maxx, Intersports, Blowjobs 20 Euro, its mad but socially acceptable...
Traveling to Europe isnt a major thing, just be prepared and it will be fine... Oh yes, talking of fines, be prepared to shell out if caught speeding, in France at least, had warnings in Belgium and Holand, they seem to be more tolerant there, Germany, never had a problem... Ha, funny though in Italy have been fleeced by the Carabinieri twice in 10 miles (they were so open about just wanting Euros) later we came flying up behind some cars only to find the blue and white car sitting in the inside lane, we pulled in too only to have him pull out and draw up beside us, the guy in the passenger side waving us like a madman to go faster, which we did... Go figure...
Have fun and let us know where you got to...