i bought a lenovo t500 over 2 years ago and it still out performs a lot of newer computers. build quality is fantastic, performance and battery life some of the best. I wouldnt recommned a lenovo if ur extremely aesthetic. They dont exactly look amazing, but are a functional, business class machines.
As for coupons:
http://www.lenovo.com/ca/en/
you will see under the main Pic:
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The best deals are at the end of august or CANADA DAY. Lenovo is known for its 1-2 day specials minimum 25% off, often in the range of 30+%. These are advertised on the main website as well as through email.
As for shipping, my model took approx 1.5 weeks to ship from the purchase date, which is pretty good considering I changed almost every part from the default model.
Go Lenovo (thinkpad line) and check the website every single day. Sales usually change one a week and favor t/w series or ideapad or x series each week, with the series changing each time.