There was a moderately amusing, but mainly amusingly OVERWROUGHT review of the i360 restaurant in the Argus t'other week
http://www.theargus.co.uk/news/14773680.REVIEW__The_i360_s_Belle_Vue_Restaurant/
Sounds sadly like one of those kitchens you come across occasionally where you simply don't fancy one single damn thing on the menu... Hopefully somebody will prove me wrong.
The area around Preston Circus is fast becoming something of a foodie ENCLAVE and may well yet pull the rest of the immediate area up by its bootstraps. As well as Senor Buddha, which I admit I've not yet tried, there's The Hare And Hounds for La Choza and craft beers, The Joker for Chicken...