I don't know how I've missed this site - Lotro Gear, but I'm very glad that Greg has contacted us and drew our attention to his work. As Greg noted
It's basically gear from the lorebook but in a more spreadsheety way that's (hopefully) easier to compare/sort/. All the data (armour, jewelry, weapons) shown here comes direct from the lorebook.
The data are organized in tables that can be filtered. Each item can be filtered by class and sorted by your own preference. You can also use a multi-columns sort which allows you to look for gear much easier.
I'm glad that Greg made this effort to do something as nifty and useful as this site for LOTRO players, and I'm sure you will find it very useful.