It is first class, in my opinion. You would obviously know it better than I do, but of the lager beers available in quantity in the UK, my first choice (when I can get it!) is Staropramen. However, judging from past experience, I am quite prepared to believe (i) that the Staropramen that you can buy will taste better than the stuff I get (because in my experience all beers deteriorate to some extent when they are transported long distances) and (ii) that there will be better-tasting Czech beers that are not sold in the UK.But I prefer ales to lagers. There's a microbrewery 20-30 miles away from us that brews some lovely bitter ales, but it's only available in casks – they do not sell it in bottles yet. It's called Brimstage Brewery if you want to look it up on the net.
There is no painless way of dieting. What I'm doing at present is simply eating less. I have a small lunch, and I avoid bread and potatoes in the evening meal, although I sometimes have a small amount of noodles or rice. If I start to feel hungry, I have a (non-alcoholic!) drink and go to bed.
HTH! 
-- thank you!