For a bit of added strength, attach the bench to a wall. I was very cost conscious when I started reloading (I was broke!) so I started very simply, much like this;
http://www.beartoothbullets.com/tech...h_notes.htm/51
This got me started without breaking me even more and developed a good basic understanding of the process. I soon up-graded, but this is still a good start. Of course the prices have changed but the idea is still the same...