Rob747,
Don't get too offended about some people's responses they have nothing better to do sometimes than wind people up. Although in CAT3CAutoland's defence he was probably suggesting you do a search on this topic as it has been covered many times before.
I' ll attempt to answer your questions for you though.
1. Expect to pay around $45 per hour wet for a C152 (no landing fees at the majority of US airports) do expect to lose a bit of money on re-fuelling though if you fill up away from base.
2.Varies depending where you go, most schools have their own accomadation expect to pay around $150 per week for varying standards!
3. Realistically allow 2 weeks for 50 hours and 4 for 100 hours, you could do it in less, but there may be issues such as plane availability, weather etc.
4. Exchange rate is approx $1.40 to Pound at the moment, if its just hour building you are probably better off looking at South Africa or New Zealand where the exchange rate is very favourable.
5. I did my PPL, Multi Engine rating and some hour buiding at Ormond Beach and I did my FAA CPL/IR at Anglo American Aviation in San Diego California, all last year so I am speaking from recent experiences.
6. I won't state my preference of the 2 here, but if you want to know my opinions on both schools, warts and all, feel free to E-Mail me with you specific questions.
I would definately say that California is better than Florida for hour building though, as the weather is better, it is a lot busier airspace (good practice for the UK) and the mountainous terrain can make for some challenging flying. Also steer clear away from schools at uncontrolled airports, both from an RT practice and safety point of view.
Hope this helps.
Regards
GPS Approach.
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Aargh, that was the taxiway we landed on!