A lot of startup give great stock options to their employees as well.. Salary is not only thing you look at, if you want salary go work for Google and waste your life doing one thing over and over again.
It's fairly unlikely the startup you're in is really going to explode. I mean sure it happens and if you're holding a big pile of options when you hit a billion dollar IPO, that is going to be a good day for you.
For most startups though, you get a fraction of a percent of a common or option pool which will perhaps accrue some value later on if the company doesn't fail utterly.
So before you count any options as money in the bank, you need to know a whole bunch of stuff (and I am totally an amateur at this but I've done startup rides once or twice. I am, shockingly, not filthy rich from my piles of options.)
1) What percent of what pool do you have options to? The number of options you have is irrelevant, since the size of the pool is a number which is more-or-less randomly chosen when the company is founded. 5000 options sounds like a lot until you find out the option pool has 25 million shares and is 10% of the company. 2) The strike price of the option, that is what your option will cost to buy after it vests. Having 10,000 options to buy at $5/option is not really that great if they're only worth $3.
3) Remember your options can be diluted at basically any time. The company runs out of option pool and wants to grant some to new employees? That'll dilute your options. Or if the company raises more investment. Etc. The answer to point 1 and 2 is changing all the time (well, hopefully not that often!)
4) Since options are common stock, they're paid out last. Investors (usually) get preferred stock. So for example, investors hold $50 million worth of preferred stock and the company sells for $51 million. The investors take their cut first, and people holding common stock get paid out of the remaining $1 million.
Anyway, just a random option rant. Probably inaccurate in all sorts of ways. All that said, I do love doing the startup thing. It's just so much fun! I aim for that, rather than some possible future value my options my get me.
Each hit will net you around 1 million in 4 years. Average it out, and you are looking at 1 million in 40 years.
You can make far more bonus money at a good software corp...