While practically any saw you buy will cut wood, as you progress with more complicated projects you will be more inclined to move up in quality.
A lot depends upon how serious you will be with this. I have seen a lot of cuttings that were done on the lower end saws that were done beautifully. For the most part those who buy a lower end saw either move up to a mid range or better saw or just go the other way and stop cutting.
My advice is buy the best saw you can afford at this time so you get the most enjoyment possible while using the saw you purchase. I started on a Black and Decker and within 6 months moved to the Dewalt and never looked back.
Just be sure that any saw you buy is capable of using pinless blades as the pinned blades are way to limiting on the type of patterns that are available.
Tom