Like :taz all soft luggage.
Nearly always use a oxford tank bag (Christmas present 4 years ago) as its some where handy to stash water proofs, clear visor, mobile, keys etc. Fitted a baglux tank cover because the tank bag was scuffing the paint work. The grip the magnets have on the tank is noticeably weaker because of the cover but is still strong enough to hold the bag on at 90ish.
She came with a Renntec sports rack fitted and I have fitted a small Hein Gerike bag (about £10) to that to hold a chain and padlock - its a bit tight getting it fastened up but the Motrax chain carrier is too big to fit on the rack. Biggest disappointment about the
, it has bugger all storage space under the seat. The fireblade and my old GSXR600 had more space.
If I want to carry anything around I have a set of Oxford expandable throw over panniers that I picked up about 4 years ago second hand for a tenner. They were missing the rain covers but I pack everything in bin liners so its no great loss. They don't look anything special but they have stood up to at least 4 years/25k miles of use so I would say quality is good.