Some of my favorites are the 1,2,3 blocks and keyway stock sized from 3/4 to 1/8 in 16th increments. Invaluable for precise fence to blade settings as well as for router bit and other blade height settings.
A little 2" aluminum square from Lee Valley is handy, too.
Stew-Mac makes a couple of heavy bodied scrapers that are very handy. They are used on almost every project.
Finally, someday I'll learn to use the Kerf Maker bought several years ago. I'm sure it will be fun to use.
EDIT: I forgot to mention the inclinometer I just downloaded to my smart phone. Might not replace the Wixey, but I'll give it a whirl.
Today in the shop (small tools you might like to know)
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Re: Today in the shop (small tools you might like to know)
I am a fan of Picquic Sixpac Plus screwdrivers, I have several.
Seven 3" bits that are also suitable for power driving. 
Ron Dyck
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10ER #23430, 10ER #84609, 10ER #94987,two SS A-34 jigsaws for 10ER.
1959 Mark 5 #356595 Greenie, SS Magna Jointer, SS planer, SS bandsaw, SS scroll saw (gray), DC3300,
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10ER #23430, 10ER #84609, 10ER #94987,two SS A-34 jigsaws for 10ER.
1959 Mark 5 #356595 Greenie, SS Magna Jointer, SS planer, SS bandsaw, SS scroll saw (gray), DC3300,