Verdun, I'm with you on this one, having now had my garden for 3 yrs. This yr I am removing all the plants I don't much like and planting out others. But for space, I am kind of using some of the same ideas I do for my veg. To have one thing coming into flower or season as another fades. May take me a few yrs to get it right, but that's the plan. Also going for a 'potager' in one border, with pernnial veg, but they have to look good. I do need more evergreens and winter interest, but have limited budget so I get cuttings wherever possible to grow on. Slow but very satisfying, and always reminds of where I got them when I look at them.
Scott,BB and Charley, not sure whether having a partner to sneak plants past might be a good thing! Don't dare to go near wilko, Poundstretcher, B&Q, or any garden Centre at this time of yr. My wants are much bigger than either my budget or space. I do hope to sell some plants this yr to fund my obsession, though. Ebay and a stall at the Gala and any passers by. Instead of giving the whole lot away.
I can't stop taking fuchsia cuttings to grow new experimental twisted standards, though. Awfully heavy on compost, pots, canes and string! Have had some successes and some failures, but doubt I can part with any, except as special presents. A matched pr with crossed stems are looking good for my landlady and close friend when she has her baby soon!
The Flooded Gardens thread has helped my seed obsession though! please look and donate if you can! (A shameless plug, again)