How to pick out a best GM Tech 2 diagnostic scanner with my Saab?

Attach 2 questions and answers to guide you 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 has 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 a 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 pieces 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.