Bid option following call to FC

We have a Florida trip booked for Oct 2013, three week trip, with seats booked in PE both ways. Miles plus money purchase in June. Rang the FC yesterday to see if there was any way we could upgrade to UC as a treat. Did not expect much to come of the call. Availability on the outbound flight only and offered one way upgrade for £400 pp plus some extra mile (number not specified). The agent said it was quite an expensive upgrade and would be better to call back 48 hrs before the flight and see what was available. Decided to wait but today I have checked MMB and the bid option has appeared on the booking. Sliders go fro £0 to £3k per person per leg and the 'suggested' bid starts at £1205 pp per leg. Seems pretty poor value to upgrade via this route. Any thoughts? ?|