What's important to communicate to you about the Timex Sinclair 1000 as that it wasn't all that great. It cost $99.95 and had 1K of RAM and was basically a tool for playing with the BASIC programming language.
Why it was awesome was that it inspired and enabled the creativity of millions people. It sold at the time the movie TRON was out. Your average American was just starting to get an idea in their head of what a computer was. TRON and the Timex Sinclair 1000 played a large part in that.
Compared to the Sinclair 1000 a $199 laptop of today is literally a supercomputer. However limited you feel your technology is, it isn't. You have nearly unlimited potential for experimentation, learning, art, music, and literature.
Take advantage of the opportunities we have today and have fun doing it.