I would call closer to the season and see what they can do for you, $150 is reasonable, however, alot of the offers depend on your status with the company, how good your payment history is and how long you been with them and other things ...
I've always called like beginning of August and checked on what kind of discount might be available for the ST ...
I typically could get it for around $180, which is about where I value the package, so the cost I was paying I felt was reasonable, I have been as low as $150 and as high as $240 ish.
Now I have it and don't ask about pricing.