I'd keep the crib, but wait as long as possible to buy another.
Our plan was to keep JellyBean in the crib, and have the baby sleep in the PNP bassinet for several months and then decide if two cribs would be the best way to go.
Jelly Bean actually started climbing out of the crib at 20 months, but I got that stopped. However, when Ha was 1 week old, JellyBean became terrified of thunderstorms. I let her sleep in my room, and then my bed. I was too sleep deprived to force the issue. But now, 9 months later, she's still afraid to sleep in her room. I'm SO glad I didn't waste the money on another crib.
Jo
DD#1 "JellyBean" 6/08
DD#2 "Ha" 6/10
"Theory is great, but as I'm in the trenches of diapers and dishes and ear infections, I try to relax and focus on what's most important: love."--mjs64