Hello, Ido,
Actually, this specific DSO is being currently
reviwed in this very blog by our fellow-EEVBlogger marmad, where some very experienced people in this department offer their invaluable views and opinions!
Apart from that, my suggestion would be to ensure that whatever you purchase is fully supported against defects, because this specific industry (and I am not talking about OWON in particular) has a very poor Quality Control --thus the very low price of their products.
I am telling you this because I happened to purchase a
defective device recently and I am unable to make any claims since I got it from an unauthorized dealer.
-George