I have a Strider Plus 3 - the only difference is where the brake is for the front wheel, and front access to the basket underneath is different. The reasons we went for this pram are:

- Can have a bassinette or seat
- Baby can face you or away from you
- Can have two seats for later
- Looks great (that's what sold DH)
- Came with a boot cover, sun shade and rain cover

Size wasn't really an issue for us. I've never taken it somewhere and not have it fit through a door or something. Packing it into the boot is easy for me, but I have a Patrol. I take off the bassinette and put that on one side, then fold the frame (really easy to fold) and put that next to it. Ours is the caramel colour, so it really doesn't show up any dirt.

I haven't actually seen an Agile so can't really compare, but I really love our Strider