ID-ul nu-l poti schimba. Si nu poti schimba tara ID-ului.

Iar ce zici tu acolo... Schimb mailul pentru ID-ul de UK si apoi stergi mailul? Cel mai probabil nu vei mai putea primi mailuri de la ei pentru contul respectiv. Iar daca se observa ca mailul din setarile contului nu mai este valabil, la prima logare te va pune sa introduci un mail valid sau nu vei mai putea folosi acel ID(dar el va exisat si nu il vei putea folosi pentru a crea alt cont).

http://ps3explained.com/intermediate...a-psn-account/

Can I delete a PLAYSTATION�Network account?
FAQ #342 (updated 2007-11-21)

Once a PLAYSTATION Network account is created, it cannot be deleted. If you would like to use a new (different) account, you will have to create an entirely new PLAYSTATION Network account.

Note: Purchased content cannot be transferred between different PLAYSTATION Network accounts. We apologize for any inconvenience.

How do I terminate my PLAYSTATION�Network account?
FAQ #222 (updated 2008-03-24)

Once a PLAYSTATION Network account is created, you can not delete it, although it can be terminated. To terminate a PLAYSTATION Network account, please contact Sony Computer Entertainment America’s (SCEA) Consumer Services’ Accounts and Billing line at 1-877-971-7669.
Pentru mai multe lamuriri poti folosi linkul asta: http://ps3explained.com/tags/beginner/