Would I notice much of a difference if I bought a good SSD to run my OS?

My current system is Windows 7 Ultimate x64 bit Windows Experience Index CPU Intel Core i7 CPU 870 @ 3.5 ghz - 7.6 Memory (RAM) 8 GB - 7.6 Graphics ATI Radeon HD 5850 - 7.7 Gaming Graphics 4083 MB Total - 7.7 Hard Disk Western Digital... show more My current system is Windows 7 Ultimate x64 bit

Windows Experience Index

CPU Intel Core i7 CPU 870 @ 3.5 ghz - 7.6
Memory (RAM) 8 GB - 7.6
Graphics ATI Radeon HD 5850 - 7.7
Gaming Graphics 4083 MB Total - 7.7
Hard Disk
Western Digital Caviar Black 1.5 TB
64 MB cache 7200 rpm - 5.9

Base Score - 5.9
4 answers 4