Grub4dos Guide - Download Links

Grub4dos downloads -

Final builds (e.g. Version 0.4.4) are available here
Stable pre-release builds (e.g. Version 0.4.3pre1) are available here
New builds (e.g. Version 0.4.4-2009-05-13) are available here (or here and here)

Grub4dos guides -

Guide by bean available here (originally posted on http://www.znpc.net/forum/).
Sourceforge tutorial here

Miscellaneous -

Grubinst - here (or here)
Grub4dos sub forum at boot-land.net here
Introduction to (Microsoft's) Virtual PC here
Multibooting Guide here - includes instructions on booting Windows from a Logical Volume in the Extended Partition.