MOTU make a USB 2 version of the 828 mk II (that I use) that will give you 20 channels of 16/44.1 however it will cost !
http://www.dolphinmusic.co.uk/page/shop/flypage/product_id/8477
It has very nice converters, lots of routing options and many different digital and analogue interfaces however it is a long way from Behringer !!
My instructors page and www.studiotrax.net for all things recording.
my toons Brought to you by Dr BadGAS
my toons Brought to you by Dr BadGAS