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I always like everything what you do! Just one little correction:
some times ago I've done one test with INFORMIX-OnLine v.722 on the middle HP station and I've got 8.000-9.000 insert/sec with total size 10.000.000 rows (2Gb) I've done it for one company, that was disespired to find any RDBMS capable to keep 1.000 insert/sec... So, they are happy with Informix :) It's not a publicity! Only information.
Good Luck in all what you do!