Just quick note on the general availability of nekoware-mips3 - it's now ready for consumption and on both the local and (high bandwidth) primary European mirror (TU Delft). The mips3 Nekoware is something that I've been working on over the past few months, churning out new packages on my Indigo as time permits. It's still not as complete as nekoware-mips4 but does contain a significant number of useful items (around 150 tardists as of this posting). If there's something you'd like to see sooner than later (provided it's already in nekoware-mips4) post in this thread and I'll try and move it up the priority chain.
Nekoware-mips3 packages are compiled using MIPSpro 7.4.4 under IRIX 6.5.22; IRIX 6.5.21+ required for installation (same as nekoware-mips4). IRIX 5.3/6.2 (mips3/4) users will want to look into tgcware instead.