Hi Jillchaw,
The website shows the new mics.
The TB1 I bought is the older design, but still great. I don't know how many changes have been made, but, I'm sure if you call PMI they will tell you.
All the B & C series went through a change in looks and design. The new mics have just the SP logo without all the other info. Also, the C now has a neat new bar type shock mount that can be used in different ways.
Go check out their forum. Join, and ask away. They may take a while to respond, but they been very efficient to me.
Here's the link for the info on the new C & B series with a few pictures:
http://www.pmiaudio.com/forums/showthread.php?t=196
If the stores are no longer showing the TB1, it means they've sold their stock and are waiting for a shipment of the new mics.
If you want to buy now, check out their B stock TB1's. I got mine there and love it! It comes with the clip, but you can get a shock mount later if you want. Mine looked like it had never been used.
Here's the website
http://www.pmiaudio.com/
Then go to MARKETPLACE
Then go to B stock
It looks like they still have a few left.
If you're looking for a great preamp with compression and eq, the JoeMeek threeQ is only $150 for B stock.
Happy shopping!