Not a benchmark/index/score chaser on hardware - somebody out there always managed to get a better/faster mouse trap. For my needs, as long as I'm satisfied with the OS, which is mostly Win7 Pro/Ultimate and updated with the latest drivers/patch & Apps to run on, and there's at least 2 or 3 GB of memory and a good HDD, I'm good. Mod'd the Media Bay on 5 years old Dell Latitude with SSD card for a little extra boost, keeping the "junkware" out & clean, and it's fine for a while. Only the Intel wireless card got replaced (G to N)

As for replacing it, not planning to happen - got another (older & light) Dell Latitude running Linux Mint for "play" at home (optional - docking station for desktop use and 22" HDTV for multimedia ) Both Dells had its OEM batteries and 1 set of DIY hinges replaced.

It helps as the HDD were partitioned so it's easy to reinstall the OS & to run a full backup overnight to external drive first - only time consuming when not viewed as a weekend project while "grounded".

Almost forgot, 2 years old 11.6" Sony Viao, optimized for travel with (downgraded from Win8.x to W7U 64 bit, upgraded 8GB memory & 750 HDD re-partitioned (SSD upgrade planned) w. USB 3.0 & HDMI out, etc. A faster notebook will only yield marginal gains as it's not for gaming & graphics, and perfect when sitting in Y without an upgrade.