I've had an Omega 40033 Mighty midget for the last four years and it's went around the world with me ... great little brush.
For the $7 I bought it for ... it's a great little value!
Omega Mighty Midget
Ht: 88 mm Loft: 48 mm Base: 40 mm Knot: 23 mm
Wee Scot
Ht: 69mm, Handle Ht: 31mm, Loft: 38mm, Knot: 15mm
So in other words the Omega is a beast next to the Simpson.
Now I've been temped by the Omega 599 Silver tip ... an absolutely gorgeous diminutive brush.
Height: 75 mm, Loft: 45 mm, Knot: 18 mm
Still bigger than the Wee Scot, but real close and the Omega has a better knot with the silver tip. Both at ~$40.
The more I talk about it the more I want it.

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