For day to day backups I'd be seriously tempted to use a backup server that just dumps the lot to a RAID5 array. It's quicker and reasonably resilient to failure so the likelihood of losing the data is low, IDE vs SCSI - that's another argument entirely.
Oh and never assume that because your backups are working your data is safe, I've seen a tape drive fail that rendered all of the tapes created by it unusable as the heads had been slowly drifting and none of the 3 replacement tape drives would touch the old tapes:(
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Oh and never assume that because your backups are working your data is safe, I've seen a tape drive fail that rendered all of the tapes created by it unusable as the heads had been slowly drifting and none of the 3 replacement tape drives would touch the old tapes :(