As a start look here for overall process:-
http://www.direct.gov.uk/en/Motoring...ce/DG_10012514
and here for ID verification:-
http://www.direct.gov.uk/en/Motoring...nce/DG_4022091
Not quite as quick simple as it used to be, but with compliant ID's and documents and
ability to have passport with DVLA for between 4-8 weeks then it's OK