Described above is the dreaded "tinning" that Rlwainwright warned against. IMO, you would be much better off by getting some good spades (cost is about twice to four times as much as crappy spades) and use one of these tools (linked below) to crimp the wire to your spades;
http://www.harborfreight.com/hydraulic-wire-crimping-tool-66150 dot html
Many like minimalist connectors and so at the lower end of the price scale you might find the sound of these is actually quite good;
Vampire SPD Spade lug for 1/4" binding posts, made with copper - gold plated finish
IMO, if you want a step up, it is very hard to beat these;
Furutech FP-203(G) - High Performance, Spade-Terminal, 24K Gold Plated
http://www.harborfreight.com/hydraulic-wire-crimping-tool-66150 dot html
Many like minimalist connectors and so at the lower end of the price scale you might find the sound of these is actually quite good;
Vampire SPD Spade lug for 1/4" binding posts, made with copper - gold plated finish
IMO, if you want a step up, it is very hard to beat these;
Furutech FP-203(G) - High Performance, Spade-Terminal, 24K Gold Plated