Where can I get a Tablet PC and what are the cost?

Amazon has the Lenovo Thinkpad Tablet selling for $1385.97
specifics

• The ThinkPad X200 notebook computers offer uncompromised performance, productivity, and great technology
• Offers long battery life in a thin, light, and very portable small form factor that makes them easy to carry
• The ThinkPad X200 notebook is light weight model
• It has met the EPEAT silver standard for energy and cost saving
• Also, this model is GREENGUARD indoor air quality certified

There is also the Lifebook T5010 which sells for $1615.99
specifics:
The comfort and ease of a traditional notebook combined with the versatility of a tablet best describes the LifeBook T5010 Tablet PC series. With its beautiful 13.3-inch widescreen display, built-in modular bay, integrated wireless access, and the latest Intel Centrino 2 processor technology, you can quickly enter and access information whenever, wherever, and by whichever method you prefer.