Although they give some useful tips, it's amazing that people like Tiger Myth are still repeating the silly story 'you'd have to convert the license when you got back'(from the US).
It would be necessary, if you made the stupid mistake of doing the FAA course, but the main advertisers are British, have always offered CAA/JAA PPL courses and are now approved for them, unlike anywhere in the UK, which is only registered by the CAA.
Everyone cannot get their hands on £3000 but it is much less than £5000 and very much less than it could end up costing if you started on a piecemeal 'lessons' basis.
Another route to avoid is the proposed NPPL, if it ever happens.