Oracle 10gR2 - Any way to speed up Transportable Tablespace Import?

I have a nightly process that uses expdp/impdp with Transportable Tablespace option to copy a full schema from one database to another. This process was initially done with just expdp/impdp, however the creation of the indexes started to slow down the process at which time I switched to using Transportable Tablespace.
In the last 3 months, the number of objects in the schema has not changes however the amount of data has increased 15.73%. At the same time, the Transportable Tablespace impdp has increased 30.77% in time to process.
Is there any way to speed up a Transportable Tablespace impdp in Oracle 10gR2? The docs show that I cannot use parallel with TTS. I have excluded STATISTICS in the export.
Eventually I will be moving away from doing this TTS expdp/impdp, however for now I need to do what I can to contain the amount of time it takes to process.
Environment: Oracle 10.2.0.4 (source and destination) on Sun Solaris SPARC v10. We are not using ASM currently. Tablespace is 6 datafiles for a total of 87.5GB, 791 tables, 1924 indexes, 1773 triggers, and 10 LOBs.
Any help would be greatly appreciated.
Thanks!
-Vorpel

My reading of this thread was that there was a need to be able to do offline setups when the client had lost oracle lite (we get this on PDAs all the time when they go totally dead), so the CD install is something that can be sent out.
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NOTE if you use SD cards etc. on PDAs/small devices, beware of windows ce/mobile power up differential between main memory and external storage. If you power down in the middle of an update or query, you can get device read/write errors when the device powers up due to processing continuing before the storage media is active

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Using simple delete is taking hours together - any ways to increase the speed of deletion.
I can't use truncate as I got to delete only conditional records ( that r in millions )
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kumar73 wrote:
I have a table with millions of records . As I am doing testing , I got to delete millioins of records and load then load using ETL tools.
Using simple delete is taking hours together - any ways to increase the speed of deletion.
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Oracle 10gR2 - Any way to speed up Transportable Tablespace Import?

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