I genuinely like the software, and they emailed me a $10 off promo the day before my trial expired. The entire process leading up to the purchase was top notch.
Oh, and I didn't know there was a free, quality alternative until shortly after. A painfully bad checkout is the price I pay for being too lazy to do any research. ;)
Not totally uncertain, there's the GPL'd version which contains almost all the functionality non-commercial desktop users would require (except USB 2.0 device speeds). Oracle can derail VirtualBox the trademark, but they can't prevent a fork.
Oh, and I didn't know there was a free, quality alternative until shortly after. A painfully bad checkout is the price I pay for being too lazy to do any research. ;)