Barebox (formerly known as u-boot-v2) is a bootloader that inherits the best of U-Boot and the Linux kernel: The size and look-and-feel of u-boot, with driver model and lots of design concepts from the kernel.
You can find the latest of our timed releases in the download section. Check the repository for the most recent developments. Feel free to subscribe to the mailing list. Note also the slides from the ELCE09 talk by Sascha Hauer, creator of barebox.
If you search for a kernel hacker friendly bootloader, read on!