Affordable options:
As above, now has a version with 500 mg EPA/250 mg DHA
Now also has DHA-500 which has 500 mg DHA and 250 mg EPA.
Bronson Triple Strength has 625 mg EPA/244 mg DHA per capsule and 360 caps is $50. Personally, I take 6 of these a day....but even 2-3 would be good for most people.