hmm... when I wired my house we just ran cables under the floorboards, and they all came up to a sort of preassembled patch pannel of regular network boxes...
baiscally, all you need to do is...
buy the wire,
for installed cabling it is better to use solid core wire rather than the multi stranded wire for patch cables,
buy network boxes and RJ45 modules, (sometimes these will come packages together, sometimes they come seperate, though mostly always if you buy a face plate, even if it comes with RJ45 modules, they are unlikely to come with the back box that fixes to the wall...
the back box, (assuming you get the 1, or 2 outlet face plates are usually a standard ABS box, like the ones you might see for plug sockets, telephonme sockets or light switches.
next you'll need a punch down tool, these are fairly inexpensive, it is possible to use a regular screw driver, but it's fiddly, and the results are usually less than satisfactory,
do a quick google search for cat 5 wiring and you'll see what order the pins should be connected in, though usually on most sockets they'll have colour coded symbols on the actual pins...
lay the cable in first before you attach the actual connections,,, so you should see something like a couple of boxes attached to the wall, with a few inches of cable coming out of each box,
next, strip back some of the outer cable, (and if you buy shielded cable strip back the foil as well and you should see the four pair os wires that are twisted together...
the twists on the wires help prevent inteference, you'll need to untwist the pairs, but don't untwist more than you need to, (a few centimeters), next lay the single cables (with their insulation still intact) onto the top of the blocks of the network socket.
put your punch down tool onto of the wire, (with the slot inline with the blade of the terminal, and press down, the terminal will cut the insulation on the wire, and make a nice snug fit, that holds the wire in place,
repeate for all the other cables onto the right parts of the block. and then do the same at the other end...
now, put a patch cable from one box to your hub/switch/router, and put a patch cable from the other end into your computer...
et voila, it's done....