Am not the world's greatest expert on fancy sewing machines, as I'm still using a 1960s East German one inherited from one of my aunts.
IME, all you need for making clothes is a machine that stitches forwards, backwards and zigzag. You want to be able to adjust the size of the stitch as well, but most machines should offer that. I can never quite see the point of all the fancy stitches and programmes.
The one on the website has quite a lot of features for the price, which always makes me a bit twitchy. Some of Tchibo's stuff is quite good (their grobags and kids' socks), but I'm never convinced by the electricals. I was eyeing up a waffle iron recently, but finally concluded it was a bit rattly and tinny, and not particularly cheap. Because it won't be well-known brand, you might have trouble getting it fixed when it goes wrong.
FWIW, if I was looking for an entry-level sewing machine, I'd get a decent second-hand version of a well-known brand from someone who could show me how it worked (maybe through Loot, or other small ad) and use that until I knew for sure what I really needed.
hth