A few points
>> getURL("http://yoururl.com", "_self")
getURL("http://yoururl.com", "_top")will get you out of any frames
>> A Flash intro will harm your traffic. It gives potential visitors an additional chance to say "good-bye" before getting to your content.
But it does depend upon your TM, for some markets the opposite is true.
>>b) waste the most important URL on your site: the homepage
Yeap, would agree wastes a lot of good ops, don't use it as a splash page, incorporate into the site design, if See TM comments
>>c) make your site look dated and unprofessional
? Well done it can improve it. See TM comments
>>d) annoy the heck out of return visitors