Rega P3-24, TTPSU and Dynavector 10x5 should mop the floor with your P2. The P3-24 with TTPSU sounds better than the P5 without it to my ears. Then again, you could get a P5 and add the TTPSU when funds recover.
Haven't heard the RP series to comment.
Haven't heard the RP series to comment.