is ssd worth it for a fast pc

[bcham]

my pc is already very fast,with i5 2500k cpu sata3 motherboard, and gtx 560ti gpu.
harddrive is a seagate 500mb 7200.drive,will it be worth the upgrade to a crucial m4 ssd ,my pc boots in 45 seconds now.will it be much faster or am i waisting my money,

 

[bcham]

good comments im going for the m4,
cheers.