I can't know where you shop. Try local, newegg. amazon?
My power supply just took a dump. Where can I get a replacement for the Dell Inspiron 530S?
Remove the current Dell PSU and/or locate the label or decal. Find the P/N# or model# and use that to locate a vendor. Googling helps here, but if this is a std. type PSU, then generally speaking any PSU will do that falls into generic DIY builds. If not, and physical constraints are involved then be sure it is a direct replacement. If at all possible, buy one that offers more wattage.
Do you know what an OLED TV is?
CNET explains how OLED technology differs from regular TVs, and what you need to know to make the right shopping decision.