Which Walkman? Retro Buyers Guide.

With countless cassette Walkman sold across 30 years, choosing a good one can be difficult. This video and the links below will help first-time retro Walkman buyers to narrow down that choice.
I could never hope to cover all the models, so I'm featuring some of my favourites. The links below will give you professional opinions and in-depth reviews on many, many more.
Additional Link:
A great forum for for all things tape related
Ebay links
Sony WM-D6C Professional Walkman
UK
US
CA
DE
AU
NL
Sony WM-EX Walkman range (Some good, some not so good)
UK
US
CA
DE
AU
NL
Quick tip - If you know the model you want but it isn't there - used the "Saved Search" Feature on ebay - so you are notified the next time someone lists that model for sale.
DD Centre Gear Repair on ebay:
New Gumstick Batteries:
'Troubled Hearts' Music Cassette Provided by
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Over Time - Vibe Tracks
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ThatSFXGuy -
FAQs
Q) Why two intros?
A) One is an intro, and the other is a transition...just like this
Q) Why don't they use 3D Printing to create a new centre gear for the DD walkman range
A) Too thin, too weak - not possible. Check the forums linked above for more info.
Corrections
1) The WM-EX900 does have limited functionality without a remote. The machine has a single button that you can tap once to play or stop. Double-tap to FF, Triple Tap to REW and hold to play the other side.
2) The new brass centre gear for the DD range is a prototype - the finished version will be plastic.