In my experience this HP compaq bussiness desktop DX2300-pentium D 952 3 GHz was desighed specifically for bussinesses with essential computing needs, the HP compaq dx2300 microtower comes with practial features and award-winning HP support, so you can focus on your business instead of worry about your PC.
The reliability of the machine seems superb, I've never seen any problems with it at all, then again if you did HP are well known for there good customer support and excellently detailed manuals.
Main Specification - Windows vista premium ready - Processor: 1 x intel pentium D 925 / 3 GHz (dual-core) - Cache memory: 4 MB L2 cache - Cache per processor: 4 MB (2 x 2 MB) - RAM: 1 GB (installed) / 2 GB max - Hard drive: 1 x 160 GB - standard - serial ATA-300 - Graphics controller: Intel GMA 3000 - Audio output: Sound card - stereo - OS provided: Microsoft windows vista business
The final thing i will mention, The machine is very easy to use, literally turn it on, log in and your ready to go. Brilliant really, no messing about with this or that, just does what it needs to do, and the price of this is amazing, it's less then £400. In summary, a brilliant machine, it's ready to go for office work.