The least expensive way to increase the performance of a PC is to limit applications that are running in the background. Check the Taskbar in the lower right corner of your screen near the clock. Do you need all those apps launching every time your PC boots?
DELL
We have been authorized resellers for DELL servers and PCs for years. Currently, the only servers we offer are DELL. Their price/performance ratio and their warranty service programs are very strong. The same can be said for the value of their industry-leading notebook PCs.