Netflix is my favourite video-streaming service at the moment. LoveFilm was taken off my list right away when I found that they don't support jailbroken devices.
Netflix has updated its app for the iPhone, changing the UI which matches the desktop version better. The top row shows content you've watched before and allows you to continue where you finished. You can slide across each row to get access to more content. Sliding content across has always worked well on touchscreen devices and works wonderfully here. It also enables developers to add a lot more content but not clutter up the interface.