Upgrade to OSX Yosemite or Not

[aumz]

I am currently on 10.6.8 on my Macbook Pro Mid 2010 running 2.4 Intel Core 2 Duo with 8gb DDR3 Ram.

I have looked at the reviews and stuff on the App Store but I am juts apprehensive to upgrade or not...what are your thoughts.

 

[aumz]

First time doing a clean install on Mac...if i back up everything on Time Machine then do the install. Can I use the TM backup to install all stuff back on or would i need to reinstall all the software again.

Also how can i do a clean install without a disc of yosemite....was gonna do it via App Store.