How much would laptops like these go for?

BigIg said:

I also have a stack of Dell Optiplex 260s - 280s that were replaced with newer computers at school that I could sell. Most in perfect shape, just needing a OS reinstall, and some need a new PSU. How much could these go for?

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I'm not sure if you meant only GX260s and GX280s, or if the dash indicated some GX270s, because if it's the latter, make sure you give the motherboards a very good look. I can't remember the date range or service tag range offhand, but there's a range for both that pretty much 100% guaranteed that said GX270 was suspect to failing capacitors. Look it up online and I'm sure you'll find it. Even if it's not readily apparent, look at the ones hidden under the heatsink shroud, because I had a board (GX270 within the date range to fail) that had apparently already failed and had been "fixed" before I got it, and while it did "work", a few minor things (time, not detecting IDE drives once in a Blue moon, etc.) occurred because the few large capacitors under it were bulging a little, at least I suspect they were. Maybe they weren't, but even if it "worked", I'm sure something wonky was going on behind the scenes because those capacitors are probably needed, or they wouldn't be there. Even if there aren't any GX270s, both the GX260 and GX280 have also had the same problems, although a much lesser extent, so those should most likely be safe, but it's worth checking.

Edit: I found the date range in an article about it.

PCs plagued by bad capacitors - CNET News

Here's a forum thread that may prove helpful (shows the service tages that may be affected).

http://www.badcaps.net/forum/showthread.php?t=450

That's because there was no GX250. The GX2xx series was the GX200, the GX240, the GX260, the GX270, and the GX280.

The GX240s were really slow for the very reason of using SDRAM (oh, and Williamettes). The Pentium 4 was finally able to sell well to the mass market once OEMs started using SDRAM (RDRAM was expensive) with the 845 chipset, but it was barely faster than top end Pentium IIIs of the time. The Pentium 4 needed alot of bandwidth. It wasn't until DDR came around and Intel dropped RDRAM that the Pentium 4 got a boost.

The GX260s will probably be the better ones (Northwoods, DDR, AGP, etc.), unless the GX270s are fine from the issues I mentioned, then they'll be a bit better, but the differences between it and the GX260 weren't as big, if my memory serves me right. Those two models could be "solid" machines.

The GX280 made the switch to LGA775, PCI Express, and I think DDR2 as well, but the base of the platform was otherwise similar to the GX270 too (I think it had the 915 chipset, so no dual cores at all, just an otherwise similar Pentium 4 platform).