First hackintosh/computer build, can I rely on the integrated graphics or should I get a dedicated GPU?

Being fairly new to this (I've only done general maintenance like HD replacements and memory upgrades in the past), I'm not sure if I can rely on integrated graphics with my CPU/motherboard or not. I'm primarily going to be using the computer for music production (hence the high end CPU and maxed out RAM), but I also like to tinker around with graphic design software and occasionally watch HD movies. I'm not planning on doing any real gaming at all. My build is listed below and it's pretty much entirely from tonymac's buyer's guide. Given the chosen components and my use cases do you think I should spend the extra money on a video card? It's already a bit expensive for what I was aiming for ($1000) so I want to cut costs where possible.

PCPartPicker part list / Price breakdown by merchant

Type	Item	Price
CPU	Intel Core i7-4790K 4.0GHz Quad-Core Processor	$323.99 @ SuperBiiz
Motherboard	Gigabyte GA-Z97X-UD3H-BK ATX LGA1150 Motherboard	$124.99 @ SuperBiiz
Memory	Crucial Ballistix Tactical 32GB (4 x 8GB) DDR3-1600 Memory	$189.99 @ Amazon
Storage	Samsung 850 EVO-Series 120GB 2.5" Solid State Drive	$66.52 @ Amazon
Storage	Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive	$55.78 @ Amazon
Video Card	EVGA GeForce GT 740 2GB Superclocked Video Card	$77.99 @ SuperBiiz
Case	Corsair 500R Black ATX Mid Tower Case	$107.99 @ Amazon
Power Supply	Corsair RM 650W 80+ Gold Certified Fully-Modular ATX Power Supply	$109.99 @ Micro Center
Optical Drive	Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer	$13.99 @ SuperBiiz
Wireless Network Adapter	TP-Link TL-WDN4800 802.11a/b/g/n PCI-Express x1 Wi-Fi Adapter	$34.99 @ SuperBiiz
Monitor	Asus VX238H 23.0" Monitor	$139.99 @ Micro Center
Keyboard	Apple MB110LL/B Wired Standard Keyboard	$48.49 @ B&H
	Prices include shipping, taxes, rebates, and discounts
	Total (before mail-in rebates)	$1334.70
	Mail-in rebates	-$40.00
	Total	$1294.70
	Generated by PCPartPicker 2015-08-09 00:17 EDT-0400

submitted by Vescape-Eelocity
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What is missing? Please comment to help!

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