this particular monitor probably will show you the biggest payoff in terms of quality improvement after capping it.
every one I did was like night and day. lol
if you happen to go through with doing it yourself, my very important advice to you is to make note of where your audio amp connectors are plugged in at, they're JB and JC if I recall, get a sharpie out and make a line on the left side of one and right side of the other marking the connector and the amp you can put little dots where the lines line up. I say this because a lot of people have reported mixing them up and it will blow your amp board up good.
the other important piece of advice, which I discovered after I did my PlayChoice-10 dual monitor, is that you have to reflow or completely suck out the old and replace with new solder on all the color drive transistors on the neckboard. something about the new caps makes the connections on the solder joints go intermittent on them.