UMC1820 : Excellent

You really can't fault this product for the price. I had a Presonus 1818 vsl and it didn't even have some of the features the UMC 1820 has i.e. 2 headphone inputs. I also noticed (for the better) a slight difference in latency which is a bonus in computer music. No real cons about the UMC1820 other than 2 inputs at the front the other 6 on the back panel which is something to take into consideration as to were you are going to place the unit in your setup, but for me the push button features on the front outweigh the con, again something the Presonus did not have. With regards sound quality the sound was crystal clear. The UMC 1820 would be asset to your hardware collection.