Won't notice the difference between IPS and TN? There's a vast contrast there, and people almost always notice it.
That's like saying you won't notice the difference between 16-bit colours and 32-bit.
I'll also state that I play mainly RTS and RPG games when I can and you can instantly notice the difference between TN and IPS, especially in games created to be vivid. The Witcher 2 for example looks many times better on this monitor for colours alone compared to my 5 year old Acer TN panel.
Also if you do proffessional work you'd never touch a Glossy monitor really, if you're looking at Hazro then don't bother looking at OCUK, they do not stock the WB version which is matte and features CCFL backlighting while remaining 10-bit.
As I posted, and stated many times this is my personal experience with my monitor that I have never had problems with the reflections when gaming, viewing movies, view pictures or doing some Adobe After effects work, research, reading or plenty of typing.
That's my own opinion and experience. If you are bothered by it, surely you'd not even consider the glass, and as you stated you opted for the Non-glass, which is your prefference, although stating you do photography surely the WB version would have been a much better buy.