[datamatt]

Does this include bonuses? Many companies (mine included) pay 40%+ extra in bonuses to bring people to the market level.

(site is also down so I can't see)

[vampirechicken]

If it takes bonuses to get you to market rates, then you're still underpaid.

[seanflyon]

This is not true. You are only underpaid if you compensation is below market rate compensation. If I got paid $1 plus a $1 million bonus I would not be underpaid.

You should consider how much risk you are willing to take and how likely it is that you will get a smaller (or larger) than expected bonus.

[untog]

If your company does that, I very much doubt they also do it for immigrant workers. I doubt the government would approve such an application.