How to select best GM Tech 2 diagnostic scanner with my Saab?

Attach 2 questions and answers to guide you on how to pick out a best GM Tech2 diagnostic programming tool.

Question 1: I am considering to buy a GM Tech 2 diagnostic scanner for use with my Saab. Which one of the ones have the best quality and is equipped with the latest software/hardware? Do you also sell USB port converter for the Tech 2?.
Answer 1: 4 versions of TECH2 are available, including: SP23-B3, SP23-B, SP23-C and SP23-1.
The same: they all have the same functions.

The differences:
SP23-B is the best quality Tech2 with Black Carry box, best quality more stable
SP23-B3 is the SP23-B best quality tech2 with carton box, also has the best quality
SP23-C is the same like SP23-B, it also including the Black carry box, but comes from another factory.
SP23-1 is the best price one, it is with carton box, will help you save much more money.

In conclusion:
If you wanna best quality and more professional, please can choose SP23-B, because it has a black carry box.
If you wanna best quality but wanna cheap one, can choose SP23-B3
If you wanna good quality and also cheaper, please choose SP23-1
The SAAB vehicle you can choose SAAB English card, it is the latest version.
The USB port converter for GM tech2? we are not available.
GM Tech2 has not region limitation.

Question 2:
Does the set sp23-b3 come with a cigarette lighter power cable?
Is the TIS 2000 SAAB suitable?
Which of the shipping options would you advise?
Answer 2: Yes. It includes 1 piece of 12V cigarette lighter power cable.
For Saab English card, we would ship the package with Saab TIS2000 with USB dongle to you.
DHL shipping is recommended and declare a lower price on the invoice help you clearance.
Good luck.