From my own experience, I bought a very similar looking workstation which turned out to be a waste of money.
The soldering iron was of poor quality and falling apart, I never did use it.
I still do use the hot air gun occasionally. The heating element is very flimsy, (it looks like a hair dryer element) and if you turn the heat up to much, you can get sparks coming out of the end of the heat pipe! I only use the hot air gun as a last resort.
I think it is worth spending a little more to get good quality tools.
I use a OKI Metcal SP200 soldering iron station which I bought on E bay for a good price. The tips are a little expensive but it is an excellent soldering iron for SMD work.
Some of the newer Weller soldering iron stations are also very good.
Professional quality hot air rework stations are quite expensive, your looking at minimum £300 for a decent system.