Safari not safe - Reasons why you shouldn't be using it

Well, Safari is primarily not safe for sites like PayPal

*It Lacks anti-phishing technology.
*It's URL Spoofing flaw confirmed.
*Its web dialer is also not safe that comes shipped in Apple i-Phones. Many forums are filled with complains regarding this particular issue.

Moreover, these issues have still not been resolved. Safari 4 is supposed to be more secure with new features built-in however, it is still in beta & has issues specially with Microsoft sites. Hotmail, MSDN & all.

Therefore, You should be sticking to other browsers!