I would buy this bundle if there were a better payment option. I do not trust a random credit card info box that pops up from a site that hasn't existed for very long. Bitcoin or Paypal would remove the need for me to trust you.
Hope you reconsider and support Watsi. All payments are processed securely by Stripe. Both the Pay It Forward Bundle site and Stripe are on HTTPS, and Stripe is fully PCI compliant. Good of you to be on the lookout, though!
I saw that it was Stripe, but I am not comfortable using a direct payment entry interface like that when the website hosting it has no reputation or history.
100% of the donations go to Watsi. We've nearly hit $100k in just about a week. Every bit helps!