Test your website as to how it looks in an ipad:
http://ipadpeek.com/
Excellent quality, and you can even check your buy pages (https)
Checkout the following resource for tools useful for testing a website for mobile readiness (include safari mobile browser, iphone/ipad tools:
http://sixrevisions.com/tools/10-excellent-tools-for-testing-your-site-on-mobile-devices/