In case this helps others:
I did a clean install (not upgrade) of Windows 7 Ultimate RTM (32 bit) on a D810 laptop about a month ago. This laptop has been put through the paces by a mobile professional. It is the user's only computer. No problems have surfaced yet.
Basic Win7...
adobe products
aero themes
audio driver
backupsupport
bios update
clean install
dell
device drivers
driver installation
hard drive upgrade
latitude d810
microsoft security essentials
migration
operating system
performance
touchpad driver
tpm support
user experience
windows 7
wireless lan