The HD 4000 will perform well for the tasks you're looking to do. As misha256 commented, you'll be developing for the lowest graphics capabilities which expands your userbase (providing you're doing that kind of development).
Tom's Hardware and Anandtech did a review of the HD4000 and you can view their comprehensive notes on the links (and surrounding pages on those links) below:
Tom's: Link
Anandtech: Link