Buy a back up drive like a Western Didigital esensials or better Live 2 TB or Seagate equivalant. Back evthing up n to the storge drive fists.
Going SSD means tha you will have best results by relaoding the OS from a CD and strting new and fresh.
Go fore a 64 bit OS if you dont already have one installed. 32 bit Windows only can use propperly use 4 GB of RAM
Intel 520 / 120 GB SSD has the highest reviews on this site fore SSD
going fore a 120 GB or larger SSD is better than smaller. I am having some problems with my 60 GB SSD and all the standerd stuff I like to have avalble.