I can only speak for the Imperial Eagle, the Imperial Courier and the Imperial Clipper, since I don't own a Cutter:
The Imp. Eagle in a nice ship but in my opinion is hampered by it's small class 2 power distributor which does not allow for a lot of chain boosting or a great variety of weapons. Sure, you have the size 2 hardpoint but not the juice to run anything worthwile (except an always useful multi-cannon).
The Imperial Courier is a gem of a ship if you like to fight: Great shields, great agility and acceleration, enough power, sufficient utility mounts and good hardpoints. I enjoy it very much. You don't even need to engineer it. Just keep it light, add enhanced performance thrusters, and off you go. If you don't have access to engineers even A-rated in a light configuration it is a great ship. I can't recommend the Courier as a relatively cheap and capable fighter enough.
The Imperial Clipper is another gem of a ship in my opinion. It has two weaknesses: It can't land on outposts (but on planetary outposts) and it has suboptimal hardpoint placement that require the use of gimballs. Other than that it is great: It can dish out a lot of damage with two large and two medium weapons. It has great pitch and roll (but weak thrusters). It can haul, it can fight and it is very fast. Unmodded with A-rated thrusters you boost 441. I only have grade 1 clean drive tuning (I don't grind for engineers) and I boost 461. Power Distributor is good. Shields are ok with boosters. I have class 7 bi-weaves and three A-rated boosters that have grade one resistance augmentation. I don't fear the HazRes. I let my shields recharge between engagements and carry a 4A shield cell bank for emergencies but a clipper can always boost away and is not mass locked by much. I like it so much that I have two of them.
Long story short: Imp. ships are great.