Hi, thank you for contacting us, if you see the ON HOLD button that mean that the part is sold out, you could check back later or send us your email and we will inform you as soon at the part become available.
if you do not see the "Buy Now" or "Add to Cart", but you see "On Hold", that mean the part is sold out.
No at the moment, all the transactions are done online through Google Checkout and PayPal, those companies are very secure and they keep all yours credit card information confidential.
Yes, we do ship to Europe, we ship world wide.
Select the part(s) you are interesting, click "Add to Cart", click on "PayPal Check out", the rest of the process is like any other PayPal transaction.