I bought 11K's in December fro $460 and have seen them for around $400 since then. I had Bauer X60 LE's and they were giving me serious ankle problems but have had no issues with the 11K so far. Great skates, very comfortable, first time I've ever had a felt tongue before and I use the pump sometimes, not always, haven't figured out why yet. So when the 20K's drop in price I'll probably be at the time when I'm ready to ditch the 11K's so it works out great. $800 for skates is too much money.
I kind of wish Reebok would drop the pump. It makes their skates seem gimmicky and weird, IMO.
Haha, they've been on Reebok skates ever since Reebok first went into the skate market. It's an adjustment, but you have to fit into them well without the Pumps first obviously.
Essentially to answer the OPs question, ArrogantOwl basically covered it. HOWEVER, keep in mind that the 20K will retail at around the same pricepoint as the T1s and APXs... you guys tell me if they're justified at that price.