I like the padding that MCE has (except that it doesn't do pre-padding). You can customize the padding for each series, so for shows on SBS where they never go over-time, like Topgear, I can drop the padding to 0. That way if I'm recording Topgear and Southpark back to back only one tuner is used.
If the series recording feature is coming from PIMP then won't the padding need to be done by PIMP to get custom padding for each series?