Welcome aboard Alex.
Hope you enjoy your time here. If you look in my signature area, there's a link to another post which will link you through to some of the most frequently asked questions and also to the general guidelines of the forum.
And ... honestly ... there isn't a durn thing wrong with Ubuntu which can't be cured by getting rid of that hideous brown/orange/red/yellow theme! But ... like all Linux ... that's completely user adjustable! <..