Ok,
So on a $1500 budget, does that include taxes, shipping, optics, etc?
Or is that $1500 for the rifle alone?
Do you already have a rifle in 30-06 and desire to standardize your ammo and reloading components, or are you willing to consider other calibers?
Is reloading componenents and equipment factored into the $1500 too?
Basically, if you want a 30-06, you're going to look at one of the HK-940's (I think) or maybe a BLR.
If you're willing to switch over to .308, there's M-14's/M1A's.
If you want to go with .223, you might find a used SL-8 in your price-range.
More information would be helpful, but I will suggest visiting Wolverine Supplies (see link at the top of the page) and look around at what they have...you might see something you like.
NS