Laptop AC adaptor

I work at a PC store that sells Cables Unlimited products, and I can tell you first hand that the AC adapter you linked to above will work just fine. I've sold MANY of those exact models. They tend to get a bit hot though, and recently, some of the power cords have been faulty (the cord that plugs into the wall and plugs into the actual transformer). The unit uses a standard power cord like you'd use on a PC tower or CRT monitor, so they're cheap and easy to replace....

hd2k

 

As long as the voltage and amperage output matches your laptop's requirements, and as long as the plug fits, you'll be fine. 90w is definitely better than 50w or 70w.... the lower wattage adapters are cheaper, but you get what you pay for, and the 90w ones are just better: they last longer, they don't run quite as hot.... I've seen a 70w adapter MELT 'cuz it was working too hard!

hd2k