How long will this pc last?

[fury0609]

i5-2400
sapphire 6870
antec 750w
gigabyte z68
seagate 1tb hard drive
rosewill challenger case

when do you think i would have to upgrade?
what do you think will be this computer's lifespan?

 

[madchemist83]

depends on what you plan on doing probably 3 years.
Lifespan // till one sunny morning it won't start