Greetings from Nebraska.
I started out with the Rockler carbide set . I think the tool lengths are comparable to the Easy Wood Tools, Easy Start series, but the I am pretty sure that the Easy Start has a longer handle than the Rockler tools do. Before very long I bought the Mid-Sized Easy Wood Tools, Rougher, Finisher, Detailer, and Parting Tool. They are my favorites.
When they became available I also bought some of the Negative Rake cutters. I like them too, but I made a set of angled cutter tools that provide about the same attack angle as the Negative Rake cutters, but use standard flat cutters instead. The angle was put into the tool rather than into the handle. Not exactly the same, but they seem to work for me. (Some pictures of one of the tools and my design notes are attached).
In addition, for shear cuts as has been discussed, I bought one of Magicbob's (T. Shadow & Co.) Magical Skews and added an extension to make the tool longer (more comparable to the Mid-Sized Easy Wood Tools lengths). I simply inserted a forester bit extender between the handle and the tool to extend the length.
I buy all of my inserts (replacement cutters) in 10 packs from AZ Carbide, azcarbide.com. They also sell a line of Full Size (25-inch) and Hybrid Sized (19-inch) tools under the trademark "AXE" by Carter Products.
Although I haven't used any of the Ultra-Shear tools, the flat plus shear capabilities may be a plus. I think they may also make a carbide parting tool. Either way you decide to go, you should wind up with some good, solid, quality tools.
Regards,
Dave