FireFox 3.5 has to many error. Example: right click doesn't work ( Need to update the Yahoo toolbar) and the security option.
I've tried Safari. I can't stand the fact that it randomly stalls and crashes. Safari was indeed faster than FF3 but I think it's neck and neck with FF3.5.
New Release Firefox 3.5.1 There's a critical vulnerability in Firefox 3.5 and there are malicious sites actively exploiting the flaw in the wild. Firefox 3.5.1 has been released to resolve the issue — update now, not later.