I have a IBM Lenovo Thinkpad Z61m and I'm considering getting a Super Ego but I'm afraid the bag would be too big for everyday use. It seems like only the size 1 Horizontal Brain Cell fits the Z61m and only the Super Ego and the Empire Builder fits the size 1 Horizontal Brain Cell.
Will the Super Ego be too big for everyday use? Are there any other size Brain Cells that will fit the Z61m?
I recently bought a Timbuk2 Commute XL but I'm returning it because there are no zippers and I'm afraid water will get in. The dimensions for the Commute XL and Super Ego seems pretty similar.
Here are the size dimensions for the Z61m: