I have this 5 year old system < http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01294338&lang=en&cc=us&taskId=101&contentType=SupportFAQ&prodSeriesId=3644727&prodTypeId=12454 > ill be adding this ram to it and changing out the fans. but the 250 watt psu that came with it is working just fine and has been for the last 5 year ive run it 24/7 for a couple weeks at time. but idk if i should upgrade to a better psu to keep it running healthy...i have plans to mod the case and idk if i should keep this psu replace its fan paint it and throw it back in there or get a new psu also if i were to get a new psu it will be one under 40 bucks. any help or comments if good for me