I in fact have two systems that I emulate Dos on (via dosbox) ... Ironically one has pure DOS.

Here they are:
1. Dell Inspiron 530 (refurbished from May of '08)
.Genuine Intel @2.2 GHz Dual Core E2200(Dell Bios version 1.0.18)
.2GB DDR-2 RAM
.232.8 GB SATA-2 HDD Primary Master
.16x SATA-2 DVD-RW/CD-RW Secondary Master
.TEAC card reader
.Microsoft Windows Vista Home Premium SP2 (slows it down to a crawl but I can't switch per my 'warranty')
.Genuine Intel G31 onboard Vga I think 128MB VRAM(ARGH! I HATE onboard!)
.Realtek Onboard Hd audio
.DOSBox 0.74

2.Dell Dimension 4100 (new i think in late 2000 to early 2001)
.Genuine Intel Pentium 3 @866MHz (Dell Bios version A11)
.512MB PC133 SDR SDRAM
.Western Digital WD-1600 Caviar 160 GB IDE HDD Primary Master (only 127GB accessable due to unaccessable utility partition)
.LG 8080B 32x read, 8x write, 4x rewrite IDE Secondary Master
.Sony DRU-120A 2.4x DVD-RW /CD-RW IDE Secondary Slave
.Standard Floppy Drive (3.5", 1.44MB)
.MS-DOS 6.22 (with Windows 3.1)on 2047MB FAT16 Partition
.Windows XP Professional SP3 on 125GB NTFS Partition
.Nvidia GeForce 5200 VGA, DVI, S-Video Inputs 64MB Vram (drivers installed only on Windows XP)
.Creative AudioPCI Sound Card (drivers installed on both DOS and Windows XP)
.DOSBox 0.74