Here are some quick benchmarks to compare and contrast standard hard disk drives vs solid state drives.
Installation of Windows 7 | Installation of OS X 10.6 Snow Leopard
SSD: 19 minutes vs HDD: 22 minutes | SSD: 24 minutes vs HDD: 29 minutes
Booting Windows 7 | OS X 10.6 Snow Leopard
SSD: 21.5 seconds vs HDD: 48.3 seconds | SSD: 22 seconds vs HDD: 37 seconds
Copying a 10GB File on Windows 7 | OS X 10.6 Snow Leopard
SSD: 77 seconds vs HDD: 321 seconds | SSD: 114 seconds vs HDD: 376 seconds
Opening a 1080p Video on Windows 7 | OS X 10.6 Snow Leopard
SSD: 7 seconds vs HDD: 11 seconds | SSD: 11 seconds vs HDD: 13 seconds
Multi-tasking on Windows 7 | OS X 10.6 Snow Leopard
The multi task test consists of scanning a large folder with a virus scanner, while at the same time copying a folder and decompressing a zip file
SSD: 2.42 minutes vs HDD: 3.22 minutes | SSD: 2.46 minutes vs HDD: 3.29 minutes
On both machines battery life rose ~ 20%; primary due to the fact that SSDs do not have to spin and no mechanic moving parts such as the arm.
Source [Accelerate Your Mac][Storage Search][Computer World]