Buying from stock can be good if you aren't too fussy about any options or colour choice.
You can only buy the colours and spec they have, but you can get them quick as you are not waiting for it to be built and there's obviously good deals on them.
There's a mid life face lift coming soon (new grille and colours?) and it's offical announcement isn't too far away, so there is/will be to be a big effort to shift stocked cars, which can only help buyers negotiate.
If you fancy a different spec, colours and options, there's always Fiat Privilege and Affinity.
These are special rate deals for the likes of the Police, NHS, BT workers (and families), but I believe members of British Cycling also qualify.
Privilege is for PCP deals.
Affinity for outright sales.
http://www.westmidspolfed.com/member-services/services/?/Fiat-Group
It's true the euro 6 1.2's from March 2014 don't drive quite like the others that came before it, but they do drive like nearly all other modern cars do these days.
Fiat seems to have revised the engine management system and the first thing you notice is the car increasing the rpms it's self as you lift the clutch (like most modern cars), so they'll creep and start to set off as you lift the clutch on their own.
If you prod the pedal yourself too early (or not expect it and stamp on the pedal), it can somethings bog the engine down a little and/or jerk and shudder, you just need to time your pedal input as it starts to move for a smooth take off.
All this setting your rpms and clutch biting point we all learnt years ago is almost defunct except of the steepest hills on nearly any new car, it's not just Fiat. It's perhaps more likely Fiat's effort on this isn't the best out there though.
They also feel a bit raspy and buzzy further up the rpm range, they are certainly not as slick as before when you hang on to first and second gear, they really do want you to change up sooner rather than later.
For congestion charge reasons, I usually drive a 2012 euro 5 to work and a 2014 Euro 6 home (the Mrs does the reverse at a different time) and to tell the truth, I don't really notice the difference now between the two, perhaps the euro 6 shuffles along in traffic a little better now I'm used to how it drives.