This set of links points to useful resources on partitioning, installing Linux on a variety of hardware, and other installation tools.
http://linux.dell.com Home of the Dell Linux Community. Dell is focused on Enterprise Linux and will sell you servers with either SUSE Linux Enterprise Server or Red Hat Enterprise Server, but the community site offers mailing lists to support Linux users on desktops and laptops as well.
http://linuxshop.ru/linuxbegin/win-lin-soft-en/table.shtml Look here for Linux equivalents of Windows applications.
http://cdb.suse.de The SUSE hardware compatibility database.
http://www.linuxprinting.org Want to see if your printer works in Linux? Here's the place.
http://www.linux-usb.org The Linux-USB project, with information on supported devices and drivers.
http://www.qbik.ch/usb/devices The Linux USB devices database to search for compatible devices.
http://www.linmodems.org Linux drivers for software-based modems.
http://www.linuxcertified.com and http://emperorlinux.com Two companies that deliver laptops with Linux preinstalled.
http://linux-laptop.net More information on Linux-friendly laptops.
http://www.linux1394.org The Linux FireWire project with information on drivers for these devices.
http://elks.sourceforge.net The Embeddable Linux Kernel Subset, an attempt to build some Linux functionality that will run on an Intel 286 and earlier processor.
http://www.lnx-bbc.org Home of the Linux Bootable Business Card project, producing a "live CD" in the shape of a standard business card.
http://www.knoppix.org Another Live CD project; stick the CD in the drive and run Linux, no matter what OS is installed on the hard drive.
http://www.gnu.org/software/parted/parted.html Home of GNU Parted, the free software disk-partitioning tool.