Dell U2713HM 27" 2560x1440p LED Monitor $484.99 + tax After PM @ Dell Small Business YMMV
I just did this and it worked perfectly:
Get a $400 GC and a free $75 GC in the following promo:
I used the e-mail version and received the codes within a minute of the purchase.
Call Dell Small Business and get a rep on the line (877-220-3355). Tell them about the U2713HM price on the Australian web site ($559.99, link below) and ask if they are able to match the price. They will have to get clearance from a manager but I got the price after a 5 minute wait. Some people get $599 due to the value difference between US and Australian currency, but many get the same price.
Here's the link to the Australian price:
Use the $475 of GC you just bought and a CC to get the rest. The result is a U2713HM for the price of a higher end Korean model, complete with warranty. Enjoy!