if your only using the interface for vsti’s then there is no point of the extra I/O’s , the ultralite is a great little interface with 14 in’s 10 out’s and every channel has compression ,eq , limiting and is completely over board if your only mixing in the box . Buy a decent 2/2 I/O interface
look at the third table down , the presonus firestudio mobile is up there with the big boys and for £169 must be a bargain