that laptop I sold to liam meets or exceeds every one of those stats he posted and I sold it for $1000. It happens to be the laptop he wants too, so I think I know what I am talking about. That 1720 is not some huge monster heat generator/battery sucker or anything like that.
BTW, I would consider a highend gaming laptop as something having at least 8700s in SLI or 7950s in SLI and nothing lower. A single 8600 HARDLY counts as a highend gaming laptop.