Please, edit your thread to add more details, your plans and reason to upgrade your PC, otherwise the collaborators will be more likely to not answer you.
1. I basically use the workstation in Linux. I like the build of the Inspiron 530 cabinet, and am willing to spend money to replace the motherboard in this micro ATX cabinet, add memory chips (16GB or more) and install a 4th generation i7 processor... The current power supply is only 300 Watts, so I could put in a Corsair PSU if so required... Yes, you may say that I should just buy another CPU box ... I am not interested in that answer.
2. the components I had looked in to are:
- Foxconn H77MXV-D Motherboard, Foxconn AHD1S-V Motherboard and ASUS P6T WS Professional
and Gigabyte GA-B75M-D3V LGA 1155 Intel B75 Sata 6Gb/S USB 3.0 Micro Atx Intel Motherboard
- Corsair Vengeance - 8GB DDR3 RAM
- Intel 4th Gen Core i7-4770 Desktop Processors
- Intel® CoreTM i7-4790K Unlocked 4.0 GHz Quad Core LGA1150 Socket Processor (8M Cache, up to 4.40 …
- Corsair PSU, but most were ATX ... some entries in this blog say that they might fit a micro ATX cabinet