It wasn't a dumpster pickup, but a friend of mine was clearning his garage, and he called me when he found all of these old computer stuff.
List:
Power Macintosh 8500/120 (dead, PSU exploded) - Power PC 604 120 mhz, 208 MB RAM (6x 32 MB + 2x 8 MB EDO DIMM), Seagate ST32430N 2 GB SCSI, VRAM maxed out, Apple CD-ROM SCSI
Power Mac G3 B&W (working) - Power PC G3 400 MHz, 640 MB RAM (2x 256 MB + 2x 64 MB PC100), 2x Seagate Barracuda ATA IV ST340016A 40 GB, IDE CD-ROM, ATI Rage 128 GL PCI, Adaptec PCI SCSI Controller, Mac OS X 10.3.9
Power Mac G4 Gigabit Ethernet (dead, 1 cap exploded on the motherboard) - Power PC G4 400 MHz, 1.5 GB RAM (3x 512 MB PC133), Seagate U10 ST310212A 10.2 GB + Seagate Barracuda ST340016A 40 GB + Seagate Barracuda 7200.7 ST3120022A 120 GB, LG CD-RW Drive, ATI Rage 128 Pro w/ ADC, Adaptec PCI SCSI Controller
Power Mac G4 Quicksilver 2002 (PSU dead, rest untested) Power PC G4 933 Mhz, 640 MB RAM (512 MB +128 MB PC133), Seagate Barracuda 7200.7 ST3120026A 120 GB, Geforce 2 MX w/ ADC
PC1 (partial) - Pentium 4 3.0 Ghz (Prescott, SL7E4), ASUS P4S800, no RAM, no videocard, no HDD, Soundblaster Audigy 4 SB0610, ALI M5283 PCI SATA Controller, Floppy drive, no CD/DVD Drive, no PSU
PC2 (complete, covers missing) - Pentium 4 2.0 GHz (Northwood, SL66R), ASUS P4B533, 512 MB DDR 266, Geforce 4 MX 440, Seagate Barracuda 7200.7 ST3120022A 120 GB + Seagate Barracuda ATA IV ST380021A 80 GB, Soundblaster Live! 5.1 SB0100, Realtek RTL8139D PCI Fast Ethernet Network card, Floppy Drive, Plextor PlexWriter PX-W4824TA + LG DVD Drive, Sycom 300 watt PSU, Windows XP
PC3 (no HDD) - Pentium 4 2.66 GHz (Northwood, SL6SK), ASUS P4P800 Rev 2.0, 512 MB DDR 333, Geforce 4 MX 440-8x, no HDD, Realtek RTL8169S-32 Gigabit Ethernet PCI Network card, Floppy Drive, LG CD-RW Drive, Maxpower 300 watt PSU
Laptop (battery dead + CPU locked to 800 mhz issue) - Fujitsu Amilo M3438G: Pentium M 750 1.86 GHz, 2 GB RAM, 17 inch 1440x900 screen, Geforce Go 6800, Seagate Momentus 5400.4 100 GB SATA, Windows XP
Extras: Power cables, Apple Pro Keyboard, old laptop briefcase
All of this for free, some of these stuff will be used for spares for other of my PCs