Gallo Stradas are well-liked by many...
Adam audio Artist 3 (powered) with schit bifrost DAC and sell the peach tree. I am using this set-up at work (mostly playing hi res files via j river). Very, very good sound. In a very different league than Audio Engine.
Get 700 for peach tree and you can be in this set-up for $400 more ......
I'll "third" the A5's.
Originally bought them to use with the desktop but they found their place as speakers for our Samsung 60" plasma.
I hooked up a pair of NHT Super Ones that have been sitting for awhile. I forgot how good they sounded. They are an easy load for an amp and have good bass (for its size of course). They are not the most sensitive but if you don't need to crank it, they may work fine for you.
I've wound up buying P4s. The A5 has moor, but I liked the smaller size of the P4s which are voiced similarly but are passive. The A5s had a tad more bass but I thought the P4s were at least as nice in terms of soundstage and detail.
I felt that the P4s matched my B & W ASW 608 sub better than the A5s did, probably because they ended their run at a higher frequency, allowing the 608 to handle more of the lower frequencies.
To confuse matters, I also had a Peachtree Decco and given the relatively low wattage requirements of the P4s, I'm going going to put the Nova up for sale, pocket $700, and keep the Decco. It's my office setup and it will do for now. The key is the headphone amp and that sounds sweet in the Peachtree.
When my its time to upgrade from my W4S Dac-2 and Audiophileo 2, I'll reassess the amplifier situation in the office.