You may want to consider getting a used or refurbished card, since the GeForce 750 ti is so much better than anything else you can get that does not need a PCIE power cable. Keep in mind that some GeForce GTX 750 ti units do need this because of their built in overclocking.
If you keep an eye out, you can find a used GeForce GTX 750 ti on the EVGA site. The used cards do not come with anything else, like cables or driver discs - and they only have a one year warranty. But they are discounted based on cosmetic damage (scratches) and wear and tear. Geforce 750 ti units with no cosmetic damage go for $90, but ones with some scratches go for $70 to $80 (currently).
You can see the used ones that EVGA has on their B-Stock page. It includes...