I would stick with the Evolution mini and cable lock. If you use the sheldon Brown method of locking you won't have any issues with the mini being awkward. You can also lock your front tire with the cable.
Popular alternatives to
Kryptonite Evolution Mini-7...
Kryptonite KryptoLok Series 2 Standard Heavy Duty Bicycle U Lock with 4ft Flex Bike Cable
Kryptonite Evolution Mini-7 Bike U-Lock with Cable, Heavy Duty Anti-Theft Bicycle U Lock, 13mm Shackle and 10mm x4ft Length Security Cable with Mounting Bracket and Keys